CN201405234Y - Integral seamless repairing device for multi-roll mill backing roll - Google Patents
Integral seamless repairing device for multi-roll mill backing roll Download PDFInfo
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- CN201405234Y CN201405234Y CN2009201572765U CN200920157276U CN201405234Y CN 201405234 Y CN201405234 Y CN 201405234Y CN 2009201572765 U CN2009201572765 U CN 2009201572765U CN 200920157276 U CN200920157276 U CN 200920157276U CN 201405234 Y CN201405234 Y CN 201405234Y
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Abstract
The utility model relates to an integral seamless repairing device for a multi-roll mill backing roll. The device comprises a clamping fixture arranged on a workbench (2). The clamping fixture comprises a fixed base (1) for supporting a backing roll to be ground. A compressing roll driving device provided with a power mechanism and a transmission mechanism and compressing devices which has the same number as that of the bearing rolls on the backing roll and are positioned on one side or two sides of the backing roll to be ground are arranged on the fixed base; a V-shaped or arc-shaped groove (29) with a shape matched with the shape of the bottom plate of the backing roll is formed at the upper end of the fixed base (1). The device provided by the utility model can conduct integral seamlessgrinding and integral molding grinding of the backing roll to be ground, and has the advantages of simplified procedures, high precision and low cost.
Description
Technical field
The utility model relates to a kind of prosthetic device, particularly a kind of prosthetic device that can carry out the integral gapless grinding to multi-roller mill backing roller.
Background technology
At present, generally adopt the rolling thin strip of multi-roll mill in the world.Multi-roll mill has mkw mill, twelve high mill and mill etc., the backing roll of these milling trains is generally the backing roller, the backing roller is made up of a plurality of eccentric bushings that are assemblied in the special axis runner on the backing roller core shaft and are separately positioned on eccentric bushing, needle roller, back-up block and the two side bearing rollers outside between adjacent two bearing rollers, needle roller, back-up block, base plate, gear etc., and wherein a plurality of bearing rollers bear the roll-force that intermediate calender rolls transmits.During rolling work, the bearing inner ring of the mandrel of backing roller and each the bearing roller on it is fixed, the bearing roller outer shroud of bearing roller rotates along with the rotation of intermediate calender rolls, and goes up pressing/falling of depressing/lifting of backing roller or following backing roller by the rotation realization of backing roller eccentric bushing.
Based on rolled strip thickness and precision and the inhomogeneity requirement of load, the tolerance of the section thickness H between each bearing roller on backing roller is very little, generally is controlled in 2 μ to 10 μ.The backing roller is after using one-period, because of the outer surface of the bearing roller outer shroud that influences its bearing roller that is subjected to roll-force produces defectives such as tired spot corrosion or crackle.Usually,, often remove above-mentioned defective, reuse again after making its surface meet the requirements of dimensional accuracy and fineness by the outer surface of its bearing roller outer shroud of reconditioning if the rolling element of bearing roller is intact with relevant rolling surface.
The tradition grinding method is that the bearing roller outer shroud of each bearing roller is unloaded, and carries out reconditioning on roll grinder, then the bearing roller outer shroud after a collection of reconditioning is carried out combo, equipped backing roller again by each bearing roller section thickness H deviation.In this process, the wear extent of one side outer ring outer surface of back its bearing roller because of each bearing roller uses and the variable quantity of play are inequality, outside reconditioning bearing roller ring outer surface, grind off its defective before, need accurately measure the size of each bearing roller, determine different stock removals; Two aspects are after reconditioning, also often need accurately measure the bearing roller outer shroud section thickness H value of each bearing roller, match by bearing roller outer shroud section thickness deviate, make backing roller on last every group or every group under the deviation of section thickness H value between a plurality of bearing rollers of backing roller reach setting.
Because above-mentioned grinding method is taked respectively the outer ring outer surface of the bearing roller of single bearing roller to be carried out reconditioning, so in carrying out the combo process, if wherein the deviation of certain bearing roller outer shroud section thickness surpasses the matching tolerance requirement that sets, then need reconditioning again, again apolegamy, and repeated multiple times, cause its measurement, combo and reconditioning operation more very loaded down with trivial details.
In addition, its bearing inner ring does not rotate during owing to the work of bearing roller yet, local pressure, and contact stress is big.Therefore bearing inner ring is the weak link of bearing roller, and often the damage because of bearing inner ring causes whole bearing roller to scrap in advance.Also because distortion often appears in bearing roller outer shroud after use, the play of bearing roller exceeds the scope of application, reconditioning cylindrical again behind the hole gauge circle in must carrying out with special-purpose mold before the reconditioning, not only the error of mold rule circle directly influences the error of the bearing section thickness H after bearing roller outer shroud section thickness H and the assembling, makes whole reconditioning operation more complicated again.
Chinese patent ZL200820118597X " the bearing roller arrangement for grinding on the multi-roller mill backing roller ", it is made up of the base plate of hold down gag, drive unit, fixture and installation said apparatus, wherein: hold down gag can be swung and be installed on the base plate, comprise hydraulic cylinder and the rolling wheel support that connects with the cylinder bar of this hydraulic cylinder, roller is installed on rolling wheel support; Drive unit comprises motor and belt drive system, and the drive of level eventually of this belt drive system is coaxial with roller; Fixture comprises symmetrically arranged two fixed supports and the mandrel that is arranged on the fixed support.When reconditioning is prepared, need earlier bearing roller to be grinding to be carried out combo, according to the frock order bearing roller integral installation to be grinding is fitted on the support bracket fastened mandrel, that is: with the inner ring of bearing roller, roller, the outer ring is installed on the support bracket fastened mandrel, constitute an imitative pattern backing roller, there are sealing and fixture in the two ends of each bearing roller, with the fixed support mandrel is the grinding benchmark, to damage the most serious bearing roller outer shroud is Fundamentals of Measurement, determine the stock removal of each bearing roll shaft runner outer shroud, implement one or several bearing rollers to be grinding are carried out the whole reconditioning of each bearing section thickness; After reconditioning is finished, the bearing roller of dismounting after the reconditioning reconstitutes the actual backing roller workpiece that uses in the production on the mandrel through cleaning, by assemble sequence the related components integral installations such as inner ring, roller, outer ring, eccentric bushing, needle roller, back-up block, base plate and sector gear of bearing roller are fitted over after the combo again the backing roller.Though it has realized purpose that one or several bearing rollers are carried out whole reconditioning, but owing to still need to ressemble the backing roller after the reconditioning, in the process of ressembling, both the gap between eccentric bushing, needle roller, the back-up block was still inhomogeneous, each link such as backing roller core shaft, eccentric bushing, needle roller, back-up block, base plate have new rigging error to produce again, too many levels also has foozle simultaneously, thereby cause the apolegamy operation of reconditioning and part still more loaded down with trivial details, the backing roller workpiece quality of ressembling is difficult to guarantee.
The utility model content
Technical problem to be solved in the utility model provides a kind of multi-roller mill backing roller integral gapless prosthetic device, and it can carry out the one grinding-shaping of integral gapless, reconditioning precision height, economical and practical to multi-roller mill backing roller.
Multi-roller mill backing roller integral gapless prosthetic device of the present utility model comprises the mold that is arranged on the workbench.Wherein: mold comprises the firm banking of the backing roller that supporting is to be grinding, pressure roller drive device with actuating unit and transmission mechanism and quantity and bearing roller quantity hold down gag identical, that be positioned at backing roller to be grinding one or both sides on the backing roller are being installed on the firm banking, the upper end of firm banking has the groove that the base plate profile with the backing roller adapts, this groove be shaped as V-arrangement or circular arc.
Multi-roller mill backing roller integral gapless prosthetic device of the present utility model, wherein: hold down gag comprises pressure transfer device and hydraulic means.Pressure transfer device comprise by axle sleeve be installed in the rotating shaft pivoted arm and by compressing the hold-down roller that roll shaft is installed in the pivoted arm end, rotating shaft is installed in a side or the both sides of base by bearing.
Multi-roller mill backing roller integral gapless prosthetic device of the present utility model, wherein: the hydraulic cylinder of hydraulic means is by the control of hydraulic power control system, and the cylinder bar of its hydraulic cylinder is connected by the end of connecting axle with the pivoted arm of pressure transfer device.
Multi-roller mill backing roller integral gapless prosthetic device of the present utility model, wherein: the hold-down roller that transmission device drives hold down gag rotates, it comprises the main driving wheel on the output shaft that is installed in actuating unit, is installed in the middle drive in the rotating shaft of pivoted arm and is installed in the drive of level eventually that compresses on the roll shaft.
Multi-roller mill backing roller integral gapless prosthetic device of the present utility model, wherein: pivoted arm comprises housing and cover plate, and both pin with locking mechanism.
Multi-roller mill backing roller integral gapless prosthetic device of the present utility model, wherein: hold-down roller is two, is separately positioned on the both sides of level drive eventually.
Multi-roller mill backing roller integral gapless prosthetic device of the present utility model, wherein: above mold, also be provided with form grinding wheel, the outer circumference surface of this form grinding wheel is the face of cylinder, has the transition face that the bearing roller outer shroud two ends with the bearing roller adapt between the face of cylinder and the both ends of the surface.
Multi-roller mill backing roller integral gapless prosthetic device of the present utility model, wherein: transition face is the conical surface or arc surface.
Prosthetic device described in the utility model has the following advantages and effect.
1. because the upper end of the firm banking in the mold is designed to groove shape, the base plate face shaping of the shape of this groove and backing roller adapts, when need be to of reconstituting when complete backing roll assembly carries out the reconditioning of integral gapless, can be installed in the groove of this firm banking having eliminated the backing roller integral to be grinding that each bearing roller inner radial gap of backing roller and correlated parts foozle be installed to actual roll forming influence on the milling train after to grinding, that is: the base plate of backing roller is a reference for installation, is again the grinding benchmark of implementing grinding; Hold-down roller in the hold down gag of mold radially is pressed against on the outer race of backing roll shaft runner to be grinding and the rotation of driving bearing outer shroud, so when implementing reconditioning, intermediate calender rolls power is identical by the stress that the backing roller acts on the frame when stress of backing roller to be grinding and the reference for installation of firm banking and Rolling Production, the situation that the backing roller rotates along with intermediate calender rolls when making grinding process be similar to Rolling Production, thereby can realize the integrate shaped type reconditioning of multi-roller mill backing roller integral gapless, with respect to Chinese patent ZL200820118597X " the bearing roller arrangement for grinding on the multi-roller mill backing roller ", still need to carry out the dismounting of bearing roller secondary after not only having cancelled reconditioning, the multiple working procedure of combo and assembling, and make after the reparation backing roller roll forming be installed in actual backing roller roll forming basically identical on the milling train, can be directly installed on and be rolled use on the milling train.Both reconditioning precision height has reduced production cost again.
2. owing to the arm body with pivoted arm is designed to the shelly body, the secondary driving-belt of pressure roller drive device and a whole level drive can sealedly be arranged in the housing, so in the grinding course of work, the pivoted arm housing can effectively prevent grinding fluid and or the intrusion of pollutant such as grinding, discarded object, thereby both ensured the normal use of driving-belt, also prolong its service life, can carry out integral replacing work to hold-down roller and correlated parts easily again.
3. owing to be symmetrical arranged two hold-down rollers in the outside of grade drive eventually of transmission device, in grinding process, two hold-down rollers can be pressed against simultaneously on the outer ring outer surface of each bearing roller to be grinding it is applied driving force, make the bearing roller stress equalization in each grinding, can not produce crooked, thereby effectively guaranteed the reconditioning precision.
4. because emery wheel is a form grinding wheel, the grinding face of this form grinding wheel has outer cylinder surface, and have the transition face of two ends, outer ring with the bearing roller between its outer cylinder surface and the both ends of the surface to adapting, so in the time need carrying out grinding to the outer race surface of each backing roll shaft runner, utilization emery wheel outer cylinder surface carries out grinding; In the time need carrying out grinding, use the transition face of emery wheel to carry out grinding to the outer race of each backing roll shaft runner surface and transition face between the end face of bearing two ends; That is: grinding tool of needs can be finished the integral grinding work to bearing roller face shaping, has further guaranteed grinding efficiency and grinding quality.
In sum, the prosthetic device of multi-roller mill backing roller integral gapless of the present utility model can to used, through reconstitute and the defective backing roller of outer surface carry out one-body molded grinding, have reconditioning precision height, reduce the resultant effect of labour intensity.
Description of drawings
Fig. 1 is the utility model multi-roller mill backing roller integral gapless prosthetic device user mode schematic diagram;
Fig. 2 is Fig. 1 left view;
Fig. 3 is that firm banking first embodiment of mold among Fig. 1 reaches and backing roller to be grinding installation site schematic diagram;
Fig. 4 is Fig. 3 left view;
Fig. 5 is that firm banking second embodiment of mold among Fig. 1 reaches and backing roller to be grinding installation site schematic diagram;
Fig. 6 is a backing roll structure schematic diagram to be grinding;
Fig. 7 is the cross sectional shape schematic diagram of Fig. 1 medium plain emery wheel and backing roll shaft runner to be grinding;
Backing roller stress schematic diagram when Fig. 8 is grinding;
The backing roller schematic diagram that contacts with adjacent rollers when Fig. 9 is rolling work.
Wherein: 1 firm banking, 2 actuating units, 3 hydraulic cylinders, 4 regulating wheels, 5 pivoted arms, 6 bearings, 7 secondary driving-belts, 8 regulating wheels, 9 hold-down rollers, 10 bolts, 11 one-level driving-belts, 12 whole grades of drives, 13 compress roll shaft, 14 rotating shafts, 15 middle drives, 16 grinding fluid nozzles, 17 emery wheels, 18 emery wheel driving motors, 19 vertical feed devices, 20 horizontal mobile devices, 21 workbench, 22 hydraulic power control systems, 23 backing roller core shafts, 24 back-up blocks, 25 eccentric bushings, 26 base plates, ring in the 27 bearing rollers, 27-1 bearing roller, the 27-2 rolling element, 27-3 bearing roller outer shroud, 28 sector gears, 29 base grooves, 30 main driving wheels, 31 emery wheel both sides transition faces, 32 bearing roller outer shroud both sides transition faces, 33 frames, 34 intermediate calender rolls, the mid point that contacts of 35 rollers of backing when rolling and intermediate calender rolls, 36 needle rollers, 37 firm banking groove walls.
The specific embodiment
Be described further below in conjunction with the specific embodiment of accompanying drawing the prosthetic device of multi-roller mill backing roller integral gapless described in the utility model.
Referring to Fig. 1 and Fig. 2, multi-roller mill backing roller integral gapless prosthetic device described in the utility model comprises the mold that is arranged on the workbench 21.Wherein:
Described mold comprises the firm banking 1 of supporting backing roller to be grinding, and pressure roller drive device with actuating unit and transmission mechanism and quantity and bearing roller 27 quantity hold down gag identical, that be positioned at backing roller to be grinding one or both sides on the backing roller are being installed on the firm banking.Prosthetic device shown in Figure 1 is all to have hold down gag in the both sides of backing roller to be grinding.
Described workbench 21 is workbench of roll grinder.For backing roller to be grinding is installed, firm banking 1 upper end has the base groove 29 that base plate 26 face shapings with the backing roller adapt.That is: according to the concrete shape of backing roller base plate 26, described base groove 29 can also can be seen Fig. 3, Fig. 4 and shown in Figure 5 for having the circular arc of certain arc core angle for having the V-shaped groove of certain angle.When installing and fixing base 1, the length direction of base groove 29 is consistent with the grinding motion direction.
Each hold down gag includes pressure transfer device and hydraulic means.Wherein: pressure transfer device comprise by axle sleeve be installed in the rotating shaft 14 pivoted arm 5 and by compressing the hold-down roller 9 that roll shaft 13 is installed in pivoted arm 5 ends, rotating shaft 14 can be installed in a side 37 of firm banking 1 by bearing 6, also can be installed in the both sides 37 of firm banking 1 simultaneously; That is: rotating shaft 14 is installed on the one or both sides wall of firm banking 1 groove walls.
Like this, when seeing backing roll assembly to be grinding shown in Figure 6, be installed on the firm banking 1 of mold of integral gapless prosthetic device of the present utility model, with base plate 26 lower surfaces of backing roller is that base groove 29 upper surfaces of firm banking 1 are the grinding benchmark, just the faying face of backing roller and milling train window is a benchmark when rolling, and the contact condition of backing roller and rolling-mill housing window is identical when making the contact condition of backing roller to be grinding and its base groove 29 and actual Rolling Production.Under the effect of contact roller 9, just between all parts of eliminating backing roller to be grinding, in whole gaps, implement reconditioning to its bearing roller outer surface, see shown in Figure 8.With mkw mill backing roller is that example is described as follows: if the base plate 26 of last backing roller is the V-arrangement shape, the base plate 26 of last backing roller is between the entablature and column of rolling machine frame 33, this moment rolling when depressing work each backing roller 23 be positioned on the line of centres of backing roller 23 and intermediate calender rolls 34 mandrels, as shown in Figure 9 with the mid point that contacts operation interval 35 of adjacent intermediate calender rolls 34; When then implementing grinding, the angle of the base groove 29 of the firm banking 1 of mold is the V-arrangement that the base plate 26 with last backing roller adapts, backing roller to be grinding is fixed in the base groove 29, rotate each eccentric bushing 25 of backing roller, select eccentric bushing 25 to be in mid point 35 places of above-mentioned operation interval, by emery wheel 17 along backing roller 23 to be grinding axially by set roll forming carry out each bearing roller integral gapless figuring of surface and both sides are ground to the transition conical surface or arc surface, till removing whole defectives.Equally, the base plate of following backing roller between the sill and framework pillar of frame, this moment rolling when depressing work the mid point that contacts operation interval of each backing roller and adjacent intermediate calender rolls on the line of centres of backing roller and intermediate calender rolls mandrel.In like manner, the base plate 26 of mkw mill backing roller be multi-roll mills such as circular arc, twelve high mill, mill on/base plate of following backing roller 26 is during for V-shaped groove or circular arc, also takes aforesaid way to carry out.
The hydraulic cylinder 3 of described hydraulic means is by 22 controls of hydraulic power control system, and its cylinder bar is connected by the end of connecting axle with the pivoted arm 5 of pressure transfer device.Like this, when grinding preparation, drive hydraulic cylinder 3, the cylinder bar of the hydraulic cylinder 3 that is positioned at backing roller to be grinding one or both sides is stretched out, each pivoted arm 5 is drawn close on the bearing roller outer shroud 27-3 surface that is pressed against each bearing roller 27 towards backing roller to be grinding, not only can eliminate bearing roller radial clearance and eccentric bushing 25, gap between back-up block 26 or the needle roller 36, and can eliminate mandrel 23, back-up block 24, the foozle of eccentric bushing 25 and base plate 26 correlated parts, duty when making grinding state and backing rolling system is in full accord, the realization grinding quality is good, reparing process is simplified again, and the backing roller after repairing simultaneously directly integral installation is rolled use on milling train.
Described pressure roller drive device comprises actuating unit and transmission device.Actuating unit can be motor or hydraulic motor.Described transmission mechanism can be belt transmission, chain transmission or both combinations, is driven by actuating unit.This transmission mechanism rotates by the hold-down roller 9 that two-stage transmission back drives hold down gag.It comprises the main driving wheel 30 on the output shaft that is installed in actuating unit 2, is installed in the middle drive 15 in the rotating shaft 14 of pivoted arm 5 and is installed in the drive 12 of level eventually on the roll shaft 13 of compressing of hold-down roller 9.
The tensioning degree of driving-belt all has very big influence to its transmission capacity, life-span and axial pressure, in order to make the tensioning appropriateness of driving-belt, certain first tensile force should be arranged.Therefore, between main driving wheel 30 and middle drive 15, regulating wheel 4 is set, between middle drive 15 and whole level drive 12, regulating wheel 8 is set, make one-level driving-belt 11 and secondary driving-belt 7 working stabilities.
In order to prevent the intrusion of pollutant such as grinding fluid, grinding and/or discarded object, described pivoted arm comprises housing and cover plate, with the middle drive 15 of above-mentioned transmission device, regulating wheel 8, secondary driving-belt 7 and eventually a level drive 12 be sealed in the pivoted arm 5.For being convenient for changing, both pin with bolt, snap close or other locking mechanism.
In order further to guarantee grinding quality hold-down roller 9 to be designed to two, be separately positioned on the both sides of level drive 12 eventually.Like this, hold-down roller 9 not only can be pressed against when to be grinding on the bearing roller outer shroud 27-3 outer surface of each bearing roller 27, and in reconditioning each bearing roller 27 stress equalization, and can drive each bearing roller 27 smooth rotation.
Each hold down gag all has transmission device, but work the time can have only the hold-down roller 9 of a side to rotate.
In addition, if the firm banking of mold 1 is selected to be installed on the workbench of roll grinder, emery wheel 17 is installed on the roll grinder, this emery wheel is arranged on the top of mold.In order to improve grinding efficiency and grinding quality, when middle part of grinding bearing roller outer shroud 27-3 respectively and both sides transition face 31, do not change emery wheel, emery wheel 17 is designed to shaped body, that is: the grinding face of form grinding wheel 17 middle part is the face of cylinder, dual-side portion is trimmed to the transition face 32 that adapts with bearing roller outer shroud 27-3 dual-side portion, and according to the actual conditions of bearing roll shaft runner outer shroud 27-3 dual-side portion, the transition face 31 of bearing roller can be the conical surface, also can be arc surface, see shown in Figure 7.
During work, first step classification: after used backing roller dismounting, cleaning, classify according to wearing and tearing or defect situation earlier: a class is that the outer surface of bearing roller outer shroud 27-3 has damage, and ring 27-1 is intact substantially in the inner surface of bearing roller outer shroud 27-3, the rolling element 27-2 of bearing roller and the bearing roller; Two classes are that the inner surface of bearing roller outer shroud 27-3 has the rolling element 27-2 of damage, bearing roller or the interior ring of bearing roller 27-1 that damage is also arranged; Three classes are that the play of bearing roller 27 exceeds the scope of application.Then, selection can be through the bearing roller outer shroud 27-3 that still can continue to use after the reconditioning as repairing object.
The second step assembling: selection can be assembled into a complete backing roll assembly to be repaired through ring 27-1, rolling element 27-2, mandrel 23 and eccentric bushing 25, needle roller 36, back-up block 24, base plate 26 and sector gear 28 etc. in other each parts bearing roller of the bearing roller outer shroud 27-3 that still can continue to use after the reconditioning and backing roller integral, wherein must more renew part and assemble again, see shown in Figure 6 the part of above-mentioned second class and the 3rd class damage.Backing roller to be grinding after will assembling then is placed on to be checked and to rotate backing roller core shaft 23 on the platform, makes eccentric bushing 25 be positioned at duty when rolling, that is: make the eccentric rotary of eccentric bushing 25 to the rolling a certain select location place that depresses the working region; Bottom surface with backing roller base plate 26 is a reference for installation again, backing roller integral lifting to be grinding is placed on the grinding datum level of reconditioning mold, that is: the faying face of backing roller and milling train window is a benchmark when rolling, and the contact condition of backing roller and rolling-mill housing window is identical when making the contact condition of backing roller to be grinding and its base groove 29 and actual Rolling Production; Be linked together with firm banking 1 with the base plate 26 of bolt 10 backing roller to be grinding.
The 3rd step grinding: keep eccentric bushing 25 to be positioned at duty when rolling, the mid point of its operation interval is on the vertical line of wheel grinding point.Control hold down gag of the present utility model, the cylinder bar of hydraulic cylinder 3 is stretched out, pivoted arm 5 is flapped toward backing roller to be grinding, the hold-down roller 9 of hold down gag radially be pressed against bearing roller to be grinding bearing roller outer shroud 27-3 ring body left side, right side or be pressed against simultaneously on the left and right sides of bearing roller outer shroud 27-3 ring body of bearing roller to be grinding, eliminate the fit-up gap of bearing roller 27 radial clearances and mandrel 23, back-up block 24, eccentric bushing 25 and needle roller 36 and base plate 29 correlated parts; And the actuating unit of pressure roller drive device and transmission device, the hold-down roller 9 of mold one or both sides hold down gag is pressed against drive each bearing roller outer shroud 27-3 on the bearing roller outer shroud 27-3 surface of each bearing roller 27 to be grinding and rotates synchronously.Start emery wheel driving motor 18, open grinding fluid nozzle 16, the vertical feed device 19 and the horizontal mobile device 20 of control roll grinder, emery wheel 17 vertical feed above vertical backing roller core shaft centre line, by the outer circumference surface of emery wheel 17 each bearing roller outer shroud 27-3 outer surface of backing roller is implemented reconditioning, until reach repair require and or remove whole defectives of each bearing roller outer shroud 27-3 till; Transition face 31 by 32 pairs of each bearing roller outer shroud 27-3 both sides portions of emery wheel 17 two ends transition faces is implemented reconditioning, till reaching the reparation requirement.In addition, by the vertical feed mechanism 19 of control roll grinder, the realization additional feed is worn into the roll forming of setting with the backing roller, as the convexity roller or the tapering roller of columniform plain-barreled roll or shaped form roller; After reparation is finished, unload the backing roll assembly, standby.
Claims (8)
1, multi-roller mill backing roller integral gapless prosthetic device, comprise the mold that is arranged on the workbench (21), it is characterized in that: described mold comprises the firm banking (1) of the backing roller that supporting is to be grinding, pressure roller drive device with actuating unit and transmission mechanism and quantity and bearing roller quantity hold down gag identical, that be positioned at backing roller to be grinding one or both sides on the backing roller are being installed on the firm banking, the upper end of described firm banking (1) has the groove (29) that the base plate profile with the backing roller adapts, this groove be shaped as V-arrangement or circular arc.
2, multi-roller mill backing roller integral gapless prosthetic device according to claim 1, it is characterized in that: described hold down gag comprises pressure transfer device and hydraulic means, described pressure transfer device comprise by axle sleeve be installed in the rotating shaft (14) pivoted arm (5) and by compressing the hold-down roller (9) that roll shaft (13) is installed in pivoted arm (5) end, described rotating shaft (14) is installed in a side or both sides (37) of base (1) by bearing (6).
3, multi-roller mill backing roller integral gapless prosthetic device according to claim 2, it is characterized in that: the hydraulic cylinder of described hydraulic means (3) is by hydraulic power control system (22) control, and the cylinder bar of its hydraulic cylinder (3) is connected by the end of connecting axle with the pivoted arm (5) of pressure transfer device.
4, according to claim 1,2 or 3 described multi-roller mill backing roller integral gapless prosthetic devices, it is characterized in that: the hold-down roller (9) that described transmission device drives hold down gag rotates, it comprises the main driving wheel (30) on the output shaft that is installed in actuating unit (2), is installed in the middle drive (15) in the rotating shaft (14) of pivoted arm (5) and is installed in the drive (12) of level eventually that compresses on the roll shaft (13).
5, multi-roller mill backing roller integral gapless prosthetic device according to claim 4 is characterized in that: described pivoted arm (5) comprises housing and cover plate, and both pin with locking mechanism.
6, multi-roller mill backing roller integral gapless prosthetic device according to claim 5 is characterized in that: described hold-down roller (9) is two, is separately positioned on the both sides of level drive (12) eventually.
7, multi-roller mill backing roller integral gapless prosthetic device according to claim 6, it is characterized in that: above described mold, also be provided with form grinding wheel (17), the outer circumference surface of this form grinding wheel (17) is the face of cylinder, has the transition face (32) that bearing roller outer shroud (27-3) two ends with the bearing roller adapt between the face of cylinder and the both ends of the surface.
8, multi-roller mill backing roller integral gapless prosthetic device according to claim 7 is characterized in that: described transition face (31) is the conical surface or arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201572765U CN201405234Y (en) | 2009-05-26 | 2009-05-26 | Integral seamless repairing device for multi-roll mill backing roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201572765U CN201405234Y (en) | 2009-05-26 | 2009-05-26 | Integral seamless repairing device for multi-roll mill backing roll |
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| Publication Number | Publication Date |
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| CN201405234Y true CN201405234Y (en) | 2010-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201572765U Expired - Lifetime CN201405234Y (en) | 2009-05-26 | 2009-05-26 | Integral seamless repairing device for multi-roll mill backing roll |
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| CN (1) | CN201405234Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564808B (en) * | 2009-05-26 | 2010-08-18 | 北京京诚之星科技开发有限公司 | Multi-roller mill backing roller integral gapless repairing method and repairing device thereof |
| WO2015136349A1 (en) * | 2014-03-11 | 2015-09-17 | Tenova S.P.A. | Machine for the grinding of external rings of roller bearings |
| WO2015136350A1 (en) * | 2014-03-11 | 2015-09-17 | Tenova S.P.A. | Equipment and grinding machine for the grinding of external rings of roller bearings |
| CN105058221A (en) * | 2015-07-27 | 2015-11-18 | 苏州纽东精密制造科技有限公司 | Grinding device |
-
2009
- 2009-05-26 CN CN2009201572765U patent/CN201405234Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564808B (en) * | 2009-05-26 | 2010-08-18 | 北京京诚之星科技开发有限公司 | Multi-roller mill backing roller integral gapless repairing method and repairing device thereof |
| WO2015136349A1 (en) * | 2014-03-11 | 2015-09-17 | Tenova S.P.A. | Machine for the grinding of external rings of roller bearings |
| WO2015136350A1 (en) * | 2014-03-11 | 2015-09-17 | Tenova S.P.A. | Equipment and grinding machine for the grinding of external rings of roller bearings |
| CN106102995A (en) * | 2014-03-11 | 2016-11-09 | 特诺恩股份公司 | For grinding the equipment of outer shroud and the grinder of roller bearing |
| JP2017520412A (en) * | 2014-03-11 | 2017-07-27 | テノヴァ エス．ピー．エー． | Equipment and polishing machine for polishing outer ring of roller bearing |
| CN106102995B (en) * | 2014-03-11 | 2018-04-10 | 特诺恩股份公司 | For the equipment and grinder of the outer shroud for grinding roller bearing |
| US10040159B2 (en) | 2014-03-11 | 2018-08-07 | Tenova S.P.A. | Equipment and grinding machine for the grinding of external rings of roller bearings |
| CN105058221A (en) * | 2015-07-27 | 2015-11-18 | 苏州纽东精密制造科技有限公司 | Grinding device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100217 Effective date of abandoning: 20090526 |