The online wiped clean device of modified roll
Technical field
The utility model relates to the online dedusting technology of the manufacturing milling train of iron and steel, the online wiped clean device of particularly a kind of modified roll.
Background technology
The online wiped clean device of roll is an indispensable corollary equipment on hot rolling mill, cold rolling mill and the planisher, and it is to improving template, improving the strip surface smoothness important assurance is provided.For a long time, domestic each big steel mill all adopts from the mode of this equipment of external introduction and technology in the hot cold rolling project of building and building.
The online wiped clean device of roll generally is configured on the top and bottom rolls of hot rolling mill, planisher and cold rolling mill, is used to remove the hammer scale of backing roll or work roll surface, keeps roll surface cleaning, improves plate face quality.Actual operating position from this kind equipment, because wiping effect can not meet the demands, add reasons such as complicated mechanism, inconvenient maintenance, just as furnishing or simply pulling down and given it up, obviously this has had influence on the workmanship of high-grade sheet material to many corollary equipments.
As all being furnished with the online wiped clean device of roll at the backing roll up and down of the smooth unit of existing hot rolling finishing, be used to remove the hammer scale on backing roll surface, keep roll surface cleaning, but mainly exist following problems:
1, the reticulated cell of wiping head by wiper cord collected the dirt bits, and dust collection effect is bad, and the hammer scale on the protective cover has packing phenomenon, thereby easily stuck when causing protective cover flexible, ball-screw nut mechanism subjects to damage, and has increased maintenance workload.
2, the installation of wiper cord, guiding mechanism design unreasonable.This device is that the rotation by handwheel is up and down changed with tensioning to wiper cord, because the restriction of planisher locus condition, arrangement causes when not shifting out backing roll up and down, and following handwheel is difficult to operation, can't carry out tensioning and adjust operation wiper cord.
3, the aperture that gathers dust of wiping head adopts matrix arrangements, and row's aperture arranged vertical is unfavorable for absorbing hammer scale in motion process on short transverse.Vibration isolation rubber behind the wiper cord adopts screw to fix, and maintenance is brought a lot of inconvenience.
4, dedusting mechanism is that the hammer scale that will produce in the roll wiped clean device course of work sucks through the wiping head, sends into bag-type dust removal system by pipeline and handles, and waste gas up to standard enters atmosphere.And existing wiped clean device up and down the design of the cleaning shaft of dust suction wiping head and flexible pipe is unreasonable.Mainly be that the cleaning shaft diameter is less than normal, horizontal pipe is long, and elbow is many and bending radius is little, causes the resistance loss of system big, suction is less than normal, the wiping head can't be wiped the whole or major part of scrap down and siphon away, gets rid of.
Summary of the invention
Task of the present utility model provides the online wiped clean device of a kind of modified roll, it has solved, and existing wiped clean device dust collection effect is poor, Wiping mechanism is fragile, maintenance workload is big, wipe scrap down can not the major part eliminating etc. problem.
The technical solution of the utility model is as follows:
The online wiped clean device of a kind of modified roll, it comprises base plate, is placed in the guide rod on the base plate, be installed in the sliding seat on the guide rod, dedust air duct, wind tube outlet flange, the wiping head, drag chain support, dee, drag chain, pneumatic line and dedusting passage, it also comprises the cylinder holder, be placed in the little cylinder on the cylinder holder, be installed in support and dust shield on the dedust air duct, be placed in the cylinder saddle of device two ends, and be installed in two hawser cylinders between the cylinder saddle; Described wiping head is fixedlyed connected with the end of little cylinder, and the head semicircular in shape of wiping head also is pressed on the roll by little cylinder; Described guide rod is a cylindrical slideway, and the translational surface of guide rail is equipped with telescopic dust cover; Described dust shield is installed in the end of dedust air duct, and is arranged on the back of wiping head.
The development and Design success of the online wiped clean device of modified roll of the present utility model, improved the especially surface quality of pipe line steel, container plate of cold and hot rolled steel plate, roll product, brand product, expansion product for developing difficulty, improving finishing hot rolling and cold rolling level provides necessary condition.Adopt this device can substitute import, be applicable to the online wiped clean work of roll under the high, medium and low rotary speed, satisfied market, and have good technical value and market prospects the high-quality demand of product.
The head that new-type wiping head of the present utility model contacts with roller is pressed in roller surfaces for semicircle during work, the ground wiping moves around.New-type wiping head adopts new material to replace former cleaning wiping cloth carrying material, the material softness is wear-resistant, can not only wiping remove iron filings and the dust that adheres to roller surface, wiping effect is good, and played the bonus effect that grinding and polishing light is carried out on the breaker roll surface, can guarantee by the high-quality on rolled steel plate surface its long service life, changed once the longest the use half a year in general three months.New-type wiping is changed conveniently first watch, as long as remove attachment bolt, can be changed.
The utility model adopts little cylinder to replace former hydraulic cylinder the wiping head all to be pressed in roller surfaces, and little cylinder is equivalent to one group to air spring, and its rigidity can be adjusted on demand.
Horizontal cross of the present utility model travel mechanism adopts the hawser cylinder to realize moving horizontally, and the hawser cylinder is hermetically sealed mechanism, and the antidusting ability is strong, be difficult for stuck, damage, good reliability, transmission mechanism is simple, two-way traversing speed unanimity operates steadily, and has reduced maintenance workload widely.
Dedusting collecting mechanism of the present utility model is behind the wiping head dust shield to be set, and the two-way sweep-up pipe is arranged at two ends, converges into a pipe joint again, be connected with the dedusting stationary pipes with flexible pipe, flexible pipe is arranged on the vertical plane, becomes the mode of wide-angle with horizontal line, and does not adopt horizontally disposed.Hose length adapts to a wiping horizontal cross shift motion, and whole pipeline smoothness, resistance are little, have improved dust removing effects.
The minimizing of the utility model and power pipeline pipeline succinct because of its mechanism makes dedusting pipeline and passage smooth more, has adapted to complicated scene and has installed and used condition, has improved the actual effect of dedusting.This device one-time investment is few, and maintenance cost is low, and result of use is good, has good market popularization value.
Description of drawings
Fig. 1 is the structural representation of the online wiped clean device of a kind of modified roll of the present utility model.
Fig. 2 is by plan structure schematic diagram shown in Figure 1.
The specific embodiment
Referring to Fig. 1, the utility model is the online wiped clean device of a kind of modified roll, and it is installed on the outlet memorial archway of milling train or planisher, and the top and bottom rolls place respectively is provided with a cover wiped clean device.This device shown in the figure is installed in the topping roll part.This wiped clean device is equipped with base plate 14, guide rod 18, sliding seat 15, dedust air duct 1, wind tube outlet flange 16, wiping 7, drag chain support 2,10, dee 13, drag chain 11, cylinder holder 3, stingy cylinder 4, support 5, dust shield 6, cylinder saddle 12, hawser cylinder 8, pneumatic line 9 and dedusting passage 17.
Two guide rods 18 are placed on the base plate 14, and 15 of sliding seats are installed on two guide rods 18.Two guide rods 18 are cylindrical slideway, can realize traversing stationarity and reliability.The translational surface of this guide rail is equipped with telescopic dust cover.
Stingy cylinder 4 is placed on the cylinder holder 3.Wiping 7 is fixedlyed connected with the end of stingy cylinder 4, and the head semicircular in shape of wiping 7 also is pressed on the roll by stingy cylinder 4.Wiping 7 can be arranged on the backing roll, also can be arranged between backing roll and the working roll.As required, can regulate the wiping head by the adjusting bolt of wiping head and be wiped contact angle between the roll.
Installing support 5 and dust shield 6 on dedust air duct 1.Dust shield 6 is installed in the end of dedust air duct 1, and is arranged on the back of wiping 7.
Two cylinder saddles 12 are placed in two ends of this device, and 8 in hawser cylinder is installed between two cylinder saddles 12.Hawser cylinder 8 is the horizontal cross travel mechanism of all-sealed structure.Realize moving horizontally by the hawser cylinder during work, so that whole roll roll surface length is carried out wiping.In wiping process, the hammer scale on the roller surface is sucked into the dust pelletizing system processing by dust shield and the dedust air duct that is positioned at the wiping head.
That wiped clean device of the present utility model adopts is electric, instrument, computer (EIC) three electrical integrated controls, can control separately, also can with the rolling line networking control; Can carry out automatic or manual operation at operating room, also key button manual operation on the control cabinet at the scene.
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 conversion, the modification of the foregoing description.