DE1752652C3 - Rolling mill with work and backup rolls and a device for changing the forces acting on the work roll chocks - Google Patents

Description

to 11 characterized in that the ends Winches (23) with ball joints on the transverse articulated are.

The invention relates to a rolling mill with back-up rolls and a device for

"of the work _{roll chocks due to the hydraulic win} .

Swivel levers for pressing _{against the} support rollers exist

the horizontal plane elongated recesses (8, 9) running perpendicular to the roller axes are provided.

4. Rolling mill according to claim 3, characterized in that two bores (10, 11) m which is the axis of the associated recess (8, 9) 4 <> as well as the horizontal plane containing the relevant work roll axis lying and parallel are arranged to run to the respective roller axis.

5. Rolling mill according to claim 4, characterized in that each bore (10 11) on the two sides of the recess (8, 9) has a different diameter, the bore (10) with the larger diameter on the 1?

1 601 1411

cage

45 dung D
one

_{the main} patent (German patent specification

are the different winds are all the ver of _{the whale purpose}

£ «dta« places is available. This means that the Jt is also one

results. t ^ T ^ d patent pending

ih / 7ai in a rolling mill with Jb / Ta) ^ ne

Ι to be provided, each

horizontal cross arm with _{the stand verti} .

Winch connected

End of the pivot axis (14) by driver i according to claim, characterized

rasssaL-Ä

_{gen ^ Ay} ^ according to the _{invention thereby ge} -

Pivot axis of the, ^^^ Ä

S2

3 4

KHfigseite far enough over the outside of the Stan- Bore 10, In the bores 10 and 11 are bearings This protrudes and thus a horizontal W or 13 is inserted in the bearings 12 and 13 (es tele cross arm can support, on which the corresponding is each two complete bearings) are acting winds. The transverse arms are located in a total of four pivoting axles 14 pivoted, thus completely outside of the rolling mill cage, 5 The pivot axes 14 each have a running parallel to the stand wall and are entirely on the central section with driver belt 15, which is in the on this wall, on the other hand also on the recesses 8 and 9, as well as on the one in the camp the transverse arms acting winds in the vertical position 12 lying end of the pivot axis 14 a delay set srad. There are therefore no special longer lengths 16 required to wind over the vertical wall of the rod. Rather, any "p dersl" can protrude and also with driving parts series-produced and commercially available or a similar drive device Winches are used. It is just her is. . ,, _, ._, To match the volume exactly to the lever arm. The MitnehmerriUen 15 of the central portion of the The Scbweukachss 14 additionally required according to the main patent each serve as a drive for one Winches fall in this embodiment of the rolling mill 15 pivot lever 17, which is in the recesses 8 and 9, respectively without the pressure winch the rolling mill is movable and with swiveling movements of the so only eight instead of the previous twelve winches pivot axis 14 is taken along by this. On necessary. the pivot lever 17 is at its free end

Are provided according to a modified embodiment of a support pan 18, which engages in a longitudinal shape the two on one and the same side of the ao groove 19, which for this purpose in the transverse pivoting lever 17 located on the longitudinal center plane of the rolling mill side of the mounting arm via a only double-turning winch is designed with stüfks4 of the work roll. Coupled to one another, the number of external reduction in wear can be halved again in the longitudinal groove V * required winches. The part 20 made of tempered metal is used. In seistellt a further considerable simplification and encryption s "nen pivotal movements passes the pivot arm is endorsement. 17 alternately on the two edges of the part 20

In the drawing, the invention is for example to the plant and thus effects in accordance

explained. It shows with the one on the opposite side of the in-

1 shows a vertical section through a swivel arm 17 acting on Ausfüh- baustücks4 that

shape, ₃ o the chock 4 vertically upwards or downwards

F i g. 2 moves a section at ten on an enlarged scale.

Line I-I of FIG. 1, on the extension 16 of the pivot axis 14 is

Fi g. 3 on an enlarged scale a section at a cross arm 21 attached, the free end of a

Line H-II of FIG. 2, fork joint 22 with a vertically arranged, double

FIG. 4 shows a vertical section through a winch 23 with an alternate effect. The GE-

delte embodiment and happens via one at the end of the piston rod

F i g. 5 on an enlarged scale a section at winch 23 provided axis 24, on which the fork line IV-IV of FIG. 4. joint 22, a ball joint or d ^. attacks. Continue

ri g. 1 shows a stand 1 of a rolling mill with a part 25 attached to the stand 1, to which the upper chock 2 and a lower one 40 cylinder of the winch 23 are articulated via an axis 32 and an upper chock 3 for the pressure rollers. The winch 23 chock 4 and a lower chock 5 for pressure lines 26 and 27 can be controlled from a control panel,
the work rolls. Two blocks 6 and 7 are lead It is seen that ^r lu the winches sufficiently fixed bend at the inside of the housing window. Space is available. The dimensions of the blocks 6 and 7 have different recess 45 winches 23 can therefore be chosen as desired, the parts for balancing the rollers so that the chocks 4 and 5 of the working forces and possibly for rolling with arbitrarily large forces charged who-biasing take up. Blocks 6 also have the can.

and 7 each at the level of the axis of the above Figs. 4 and 5 show a modified embodiment and lower work rolls going horizontal 50 rungsform, which, excluding the pressure winch, with Six flat winds running perpendicular to the roller axes were sufficient on the slopes of originally twelve winds Recesses 8 and 9 come. The winches 23 are not fixed to the here

Perpendicular to each recess 8 and 9, i.e. H. par- on the stand 1 provided part 25 connected. Instead of allcl to the axis of the corresponding roller and in that of which its cylinder is on the end of one of the transverse ders Recess and the axis common «Hori- 55 arms 21 pivotably mounted and the end of the In the zontal plane there is a second recess in front of each piston rod of the winch 23 is on the end of the view. The second recesses can be articulated from Boh- the cross arm 21, which, with respect to the stanchions 10 and 11 exist, each on both axial directions of the rollers, on the same side of the Sides of the recesses 8 and 9 are and is located under the rolling mill. Both embodiments have have different diameters. The bore 10 60 also has the advantage that the machining of the larger diameter is in each case on the side of the blocks 6 and 7 is simplified. The Recesses 8 and 9, at which the device for pivoting lever 17 and the cross arms 21 also fully Drive a force balancing swivel lever come into a horizontal position, what is articulated via the flying winches. The one quick and easy drilling out and back 11 hii a smaller diameter than the 65 allows the installation of parts.

1 sheet of drawings

Claims (2)

Patent claims: xo 15th ! .Wal ^ ErkmitAreU ^ un ^ a device for changing the walwn-EinbaustOcke applied forces, which were acted upon by hydraulic winds Swivel levers for pressing the work rollers to the support rollers, in which the pivot lever with hydraulic winches »m Stander window interchangeable stored blocks arranged sfod and each work roll dismantling rf & c on both sides with the ends of the pivot lever or remained in the work roll chocks Longitudinal grooves connected, according to patent 1602141, characterized that, as is known, each pivot lever (17) via a * horizontal transverse space (21) with the piston Long one outside of the stand (1) vertically arranged, double-acting winch (23) ge ao Is articulated, the transverse arm (21) on one of the outer ropes of the stand (1) protruding Extension (16) of the pivot axis (14) of the pivot lever (17) is arranged is- _yy . ^as 2. Rolling mill according to claim 1, characterized in that indicates that the two on one and the same side of the longitudinal center plane of the rolling mill ι Weiz plant of claim »or 9, data · ^'W6 Sichnet, daßW pivoting lever Sem free end to act on raking trained ArbeitswalzennhflimuckS) a support? *""" ( 18) carries. ΪΓ5ΑΠΪΛ claim 10, characterized geji. ^W8WWI " _d8ß dip horizontal longitudinal grooves" work roll chocks (4) attached part (20) made of tempered - "iiß are protected. Y ^ waizws **» - one of claims I to