CN101402102B - Hydraulic direct drive backing cloth bearing roller convexity fine tuning structure of cold rolling mill - Google Patents
Hydraulic direct drive backing cloth bearing roller convexity fine tuning structure of cold rolling mill Download PDFInfo
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- CN101402102B CN101402102B CN200810180866XA CN200810180866A CN101402102B CN 101402102 B CN101402102 B CN 101402102B CN 200810180866X A CN200810180866X A CN 200810180866XA CN 200810180866 A CN200810180866 A CN 200810180866A CN 101402102 B CN101402102 B CN 101402102B
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- bearing roller
- backing cloth
- cloth bearing
- hydraulic
- hydraulic pressure
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Abstract
The invention belongs to a hydraulic direct driving back lining bearing roll crown fine adjustment structure for a cold-rolling mill, wherein the back lining bearing roll crown fine adjustment structure is arranged between two upper back lining bearing rolls which are positioned on outer ends on the left and the right in a roll system of the cold-rolling mill and an overall frame, and comprises a back lining bearing roll piston seat, a hydraulic fixed cylinder, a piston seal ring, a hydraulic chamber, a hydraulic oil way and an elastic bolt. The hydraulic direct driving back lining bearing roll crown fine adjustment structure for the cold-rolling mill can overcome the defects of the prior crown fine adjustment structure for the cold-rolling mill, and has the advantages of reasonable structural design, and effective control of the lateral thickness error and the profile shape by realization of high-precision rolling due to the capability of staged hydraulic fine adjustment of a back lining bearing roll.
Description
Technical field
The invention belongs to a kind of 20 cold mill hydraulic direct drive backing cloth bearing roller convexity fine tuning structures.
Background technology
China is big steel country, but also is not iron and steel power.In the common iron surplus, the wide cut of high rigidity material (as stainless steel, silicon steel etc.), high accuracy size, high-quality template shape, as thin as a wafer (≤0.15mm) cold-reduced sheet still needs import.Produce high rigidity, the whole imports of high accuracy cold-rolling mill of this series products.In the non-ferrous metal field, be used for the rolling wide cut Copper Foil (cold-rolling mill of thickness≤0.05mm), and the small-sized ultraprecise stiff mill that is used for superhard materials such as rolling titanium, titanium alloy, tungsten, molybdenum does not still have off-the-shelf equipment and can use.At present international existing 20 cold mills such as ZR milling train, 4 column milling trains and hybrid milling train are by being installed in the camber that another set of tooth bar eccentric adjusting mechanism on two backing cloth bearing rollers in top (or sidepiece) regulates backing cloth bearing roller, realization is regulated control to the plate shape of rolled piece, has brought following point:
The requirement of (1) two cover tooth bar eccentric adjusting mechanism installing space, the interval between the adjacent back lining bearing is strengthened, and makes the stressed increase on the axial unit length of back lining bearing, and promptly bearing load strengthens.
(2) interval between the back lining bearing is strengthened, and the discontinuity degree axial to second intermediate calender rolls strengthens, reduce by two in the middle of roll shaft service life.
(3) back lining bearing roller core shaft cylindrical contacts with the saddle inner ring through two-layer eccentric bushing, and the saddle inner ring diameter has to strengthen, and the saddle outer ring must be less than the back lining bearing external diameter.Like this, two-layer eccentric bushing and saddle all are thin-walled parts, and machining deformation is difficult to control.
(4) and complex structure, can not effectively carry out convexity fine tuning, cause rolling thin plate quality product rate low driving backing cloth bearing roller, less than 30% usually, production efficiency is low.
Summary of the invention
The objective of the invention is to design a kind of cold-rolling mill hydraulic direct drive backing cloth bearing roller convexity fine tuning structure, can overcome the deficiency of existing cold-rolling mill convexity fine tuning structure, has reasonable in design, having the backing cloth bearing roller of making can finely tune by segmentation hydraulic pressure, to realize high precision rolling, the advantage that transverse gage sum of errors plate shape is effectively controlled.For this reason, the present invention adopts in cold-rolling mill roller system on two in outer end, the last left and right sides and is provided with backing cloth bearing roller convexity fine tuning structure between the backing cloth bearing roller and whole frame.Described backing cloth bearing roller convexity fine tuning structure is by the backing cloth bearing roller piston seat, the hydraulic pressure stationary cylinder, piston packing ring, hydraulic pressure chamber, hydraulic circuit and elasticity bolt constitute, go up the back lining bearing roll shaft admittedly on backing cloth bearing roller piston seat separately for two of outer end, the last left and right sides, be connected with elasticity bolt elasticity between backing cloth bearing roller piston rear end and the whole frame, recessed hydraulic pressure chamber is set at backing cloth bearing roller piston rear end middle part, corresponding with hydraulic pressure chamber whole frame is provided with the sliding hydraulic pressure stationary cylinder that fits in the hydraulic pressure chamber, piston packing ring is between the hydraulic pressure stationary cylinder and backing cloth bearing roller piston seat of periphery, the hydraulic circuit front end hydraulic pressure chamber that communicates, the hydraulic circuit of every pair of symmetrical hydraulic pressure stationary cylinder is by with 1 hydraulic servo control valve control.Said structure has reached purpose of the present invention.
Advantage of the present invention is the deficiency that can overcome existing cold-rolling mill convexity fine tuning structure, has reasonable in design, and having the backing cloth bearing roller of making can finely tune by segmentation hydraulic pressure, to realize high precision rolling, the advantage that transverse gage sum of errors plate shape is effectively controlled.The present invention reaches more than 98% rolling thin plate quality product rate, has improved production efficiency greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is a partial structurtes schematic diagram of the present invention
Fig. 3 is a sectional perspective structural representation of the present invention
Specific embodiments
As shown in Figure 1 to Figure 3, a kind of cold-rolling mill hydraulic direct drive backing cloth bearing roller convexity fine tuning structure, mainly by whole frame 6, middle beaming roller 2, working roll 9 and up and down backing cloth bearing roller formed.Be provided with backing cloth bearing roller convexity fine tuning structure between backing cloth bearing roller 17 and the whole frame on two in outer end, the last left and right sides in cold-rolling mill roller system.
As shown in Figure 1, described backing cloth bearing roller convexity fine tuning structure is made of backing cloth bearing roller piston seat 19, hydraulic pressure stationary cylinder 18, piston packing ring 23, hydraulic pressure chamber 22, hydraulic circuit 20 and elasticity bolt 7.Go up the back lining bearing roll shaft admittedly on backing cloth bearing roller piston seat separately for two of outer end, the last left and right sides.Be connected with elasticity bolt elasticity between backing cloth bearing roller piston rear end and the whole frame.Recessed hydraulic pressure chamber is set at backing cloth bearing roller piston rear end middle part.Corresponding with hydraulic pressure chamber whole frame is provided with the sliding hydraulic pressure stationary cylinder that fits in the hydraulic pressure chamber, and piston packing ring is between the hydraulic pressure stationary cylinder and backing cloth bearing roller piston seat of periphery.The hydraulic circuit front end hydraulic pressure chamber that communicates.The hydraulic circuit rear end is by hydraulic oil pipe 8 hydraulic oil pump that communicates.The hydraulic circuit of every pair of symmetrical hydraulic pressure stationary cylinder is by controlling with 1 hydraulic servo control valve.Be that symmetrical every pair of hydraulic pressure stationary cylinder is controlled by 1 hydraulic servo control valve.
As shown in Figure 2, described elasticity bolt is made of shank of bolt 21, spring 24 and clamp nut 25.Screw and backing cloth bearing roller piston seat rear end that the shank of bolt front end passes on the whole frame are spirally connected, and are provided with spring between the clamp nut that is screwed onto the shank of bolt rear end and the corresponding whole frame.The fine setting distance of described backing cloth bearing roller convexity fine tuning structure is identical with the spring compression distance.
As shown in Figure 3, described hydraulic pressure stationary cylinder is a cylinder bodily form cylinder.Described hydraulic pressure stationary cylinder is provided with along last backing cloth bearing roller axial segmentation, and backing cloth bearing roller quantity is provided with on its quantity correspondence.Backing cloth bearing roller and following backing cloth bearing roller 11 (depend on width of rolling stock for several that independently are provided with on each, being generally six that are arranged side by side) the bearing roller constitutes, backing cloth bearing roller is positioned on the backing cloth bearing roller piston seat on each, the corresponding hydraulic pressure stationary cylinder of each backing cloth bearing roller piston seat forms a convexity fine tuning structure.Be on each the backing cloth bearing roller piston seats of two backing cloth bearing rollers about top convexity fine tuning structure to be installed all, left-right symmetry is installed; Each backing cloth bearing roller piston seat is fixed on the whole frame by four elasticity bolt flexibilities, can be in milling train under the effect of the pressure of hydraulic pressure oil mass in hydraulic pressure chamber the intercropping microdisplacement.Symmetrical every pair of hydraulic pressure stationary cylinder is controlled by 1 hydraulic servo control valve.When pilot valve is received action command, regulate the hydraulic pressure oil mass that enters in the hydraulic pressure chamber rapidly, the position of backing cloth bearing roller piston seat is finely tuned.Can make each backing cloth bearing roller produce tens microns (μ m), be delivered to the adjustment amount that working roll can form several microns (μ m) to the convexity of 0.1mm.The hydraulic pressure stationary cylinder is installed along last backing cloth bearing roller axial segmentation, and last back lining bearing roll shaft can be finely tuned in segmentation, is equipped with high performance template Measurement and Control System and just can realizes high precision rolling, and transverse gage sum of errors plate shape is controlled effectively.
20 rollers system is made up of 10 rollers of corresponding setting up and down, and two following backing cloth bearing rollers 14 that are positioned at the right outer end of bottom left in cold-rolling mill roller system directly are fixed on the whole frame by saddle 11 and set bolt 10.Two down middle backing cloth bearing rollers 12 are installed in down 13 li in two backing roller casees side by side.Go up middle backing cloth bearing roller 5 for two and be installed in 4 li in two backing roller casees side by side.Upward two backing roller casees are driven to finish by hydraulic cylinder 3 depresses action.Go up between the backing cloth bearing rollers and respectively be provided with two live-rollers 1 between two following backing cloth bearing rollers for two, intermediate calender rolls 2 is between two live-rollers, the twitch roller 15 that two of intermediate calender rolls and live-roller transmissions are arranged side by side, twitch the working roll 9 of roller transmission two upper and lower settings, with whole frame front end corresponding between the double-working is charging aperture 16, treat that rolling steel plate enters from charging aperture, roll between the double-working thin after, derive whole frame from whole frame rear end.
Main drive roller of the present invention is four live-rollers in the up-down rollers system, and initiatively motor drives a pair of live-roller locking phase reverse turn up and down synchronously by reduction box and driving gear set in its both sides.Last lower driving roller drives twitches the roller rotation up and down, twitches roller transmission upper working rolls and lower working rolls more up and down, will roll into thin plate by the sheet material between the upper working rolls and lower working rolls.And the extruding force of upper working rolls and lower working rolls by be positioned at two backing roller case lower ends two in the middle of backing cloth bearing roller exert pressure and finish by the cylinder of depressing of hydraulic cylinder through each roller power transmission.
In a word, the present invention can overcome the deficiency of existing cold-rolling mill convexity fine tuning structure, has reasonable in design, and having the backing cloth bearing roller of making can finely tune by segmentation hydraulic pressure, to realize high precision rolling, the advantage that transverse gage sum of errors plate shape is effectively controlled.
Claims (4)
1. cold-rolling mill hydraulic direct drive backing cloth bearing roller convexity fine tuning structure, mainly by whole frame, middle beaming roller, working roll and up and down backing cloth bearing roller form, it is characterized in that: be provided with backing cloth bearing roller convexity fine tuning structure between backing cloth bearing roller and the whole frame on two in outer end, the last left and right sides in cold-rolling mill roller system, described backing cloth bearing roller convexity fine tuning structure is by the backing cloth bearing roller piston seat, the hydraulic pressure stationary cylinder, piston packing ring, hydraulic pressure chamber, hydraulic circuit and elasticity bolt constitute, two of outer end, the last left and right sides going up the back lining bearing roll shafts is fixed on separately the backing cloth bearing roller piston seat, be connected with elasticity bolt elasticity between backing cloth bearing roller piston rear end and the whole frame, recessed hydraulic pressure chamber is set at backing cloth bearing roller piston rear end middle part, the whole frame corresponding with hydraulic pressure chamber is provided with the sliding hydraulic pressure stationary cylinder that fits in the hydraulic pressure chamber, piston packing ring is between the hydraulic pressure stationary cylinder and backing cloth bearing roller piston seat of periphery, the hydraulic circuit front end hydraulic pressure chamber that communicates, the hydraulic circuit of every pair of symmetrical hydraulic pressure stationary cylinder is by controlling with 1 hydraulic servo control valve, described elasticity bolt is by shank of bolt, spring and clamp nut constitute, screw and backing cloth bearing roller piston seat rear end that the shank of bolt front end passes on the whole frame are spirally connected, and are provided with spring between the clamp nut that is screwed onto the shank of bolt rear end and the corresponding whole frame.
2. by the described cold-rolling mill hydraulic direct drive backing cloth bearing roller convexity fine tuning structure of claim 1, it is characterized in that: the fine setting distance of described backing cloth bearing roller convexity fine tuning structure is identical with the spring compression distance.
3. by the described cold-rolling mill hydraulic direct drive backing cloth bearing roller convexity fine tuning structure of claim 1, it is characterized in that: described hydraulic pressure stationary cylinder is a cylinder bodily form cylinder.
4. by the described cold-rolling mill hydraulic direct drive backing cloth bearing roller convexity fine tuning structure of claim 1, it is characterized in that: described hydraulic pressure stationary cylinder is provided with along last backing cloth bearing roller axial segmentation, and backing cloth bearing roller quantity is provided with on its quantity correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810180866XA CN101402102B (en) | 2008-11-26 | 2008-11-26 | Hydraulic direct drive backing cloth bearing roller convexity fine tuning structure of cold rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810180866XA CN101402102B (en) | 2008-11-26 | 2008-11-26 | Hydraulic direct drive backing cloth bearing roller convexity fine tuning structure of cold rolling mill |
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| Publication Number | Publication Date |
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| CN101402102A CN101402102A (en) | 2009-04-08 |
| CN101402102B true CN101402102B (en) | 2011-04-06 |
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| CN200810180866XA Expired - Fee Related CN101402102B (en) | 2008-11-26 | 2008-11-26 | Hydraulic direct drive backing cloth bearing roller convexity fine tuning structure of cold rolling mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102688891A (en) * | 2012-05-29 | 2012-09-26 | 上海电机学院 | Static-pressure suspension beam barrel device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201316741Y (en) * | 2008-11-26 | 2009-09-30 | 圣格兰（嘉兴）光机电技术有限公司 | Hydraulic directly-driven back-lining bearing roller convexity fine-adjusting structure of cold rolling machine |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201316741Y (en) * | 2008-11-26 | 2009-09-30 | 圣格兰（嘉兴）光机电技术有限公司 | Hydraulic directly-driven back-lining bearing roller convexity fine-adjusting structure of cold rolling machine |
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| CN101402102A (en) | 2009-04-08 |
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Owner name: ZHU TONG Free format text: FORMER OWNER: SHENGGELAN (JIAXING) OPTICAL ELECTROMECHANICAL TECHNOLOGY CO., LTD. Effective date: 20110516 |
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Effective date of registration: 20110516 Address after: 100061 Beijing city Chongwen District 23 Building 2 Unit No. 4 Guangming building Patentee after: Zhu Tong Address before: 314006 No. 1, good faith Road, Nanhu Town, Nanhu District, Zhejiang, Jiaxing Patentee before: Sun-Glare (Jiaxing) Mechanic-electrical Technology Co., Ltd. |
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Granted publication date: 20110406 Termination date: 20111126 |