DE1809975C - Roll stand or calender for rolling out flat material with brightness control of the rolls - Google Patents

Description

^{-rack on the} outer end faces of the pressure ^SCh u ^{screws resting and} G ^{e enüber this} ß '''η GC their position ^{S' chert is "so that the upper bridge is} outside ^{the housing window d z"} "egen and can be arbitrarily strong

V _OT , e " _b e _ibe " a "e", daO a. Oe-

4. Roll stand according to Ansöruch 9 λ% \ crown control is free.

characterized in that the upper bridge _h ° u ιίΤ " ^d f ^arrangement K of ^{the upper} bridge

and each one rolling element ^ -Druckl "! per (V) on d ^ n, H? f ^r _T. ^outer end faces of the pressure screw

The pressure screws (26 27) are in place

5. Roll stand according to Ansoruch 1 ΗρΗ ,, γΗ, n ^US i ^e T ^{r centering} between the outer

drives (36 to 39) from fe bridge (24 ^ _β6Γ3 1 _η are. ^lZ4; ge

The invention relates to a roll stand for the rolling out of FlachmaH i sheets and strips, with anTn ve changed fence of the single or outer rolls [stüSibenvin gripping, the crowning of the rolls SdeL hydraulic power units, d, ^ s ^ wSwe _{se a} "each one the support the bridge connecting the two roll stands, the bridge associated with the attachable roll being made for the purpose of reacting with hydraulic power units on bridges inserted in a roll stand for the purpose of reacting te from the hydraulic power units, the hot ΐί reverse bending of back-up roll ^^ etrSlicn are in nerhalb of the associated supporting roll undIB Ück'e in e-nEM closed system to keep egg H 2 pressure screws of AnstellvorrichS _{ß of} d'r Rückb eeekraft free sinh rfranJxV- L I «503 268 ⁸ ). Dt between "ÄoS? * Upper and lower transverse yokes of the Walanaander bridges, however, increase the length of the stator windows and thus also the DhSM roller stands, whereby their ^^ sisS ^ a ^ SnS

f ' ^nhei ' ^en _f . ^{not to be avoided} ", it is proposed according to the further invention that each pressure piece is in two parts and consists of an upper, spherical cap-shaped part fastened to the bridge and a lower part.

ren, pan-shaped part. This allows the pressure piece halves that belong together move against each other when the upper bridge bends so that the roll stands do not

^'Th _f ^{kra [te} take need that they might turn from their parallel ^to I ^{cch}' n} 'location.

^ ^Vernn g ^erUn | ^{the Rdbun} 8 ^{between the} " ^ ^or _D ^outer end faces of the pressure screws

? "-" ^ ™ ^{pressure piece is the} top one

»· ^ Ϊ́ Γ V"'"ί ^WaIzkör P ^er - ^Dr ^ klager on the ^{Dr. ucks} . ^screws supported. Such axial bearings between

Γ ^d ? ⁿ , the ^lower " ^E " of ^the cover bolts and chocks are known per se.

si ^ TT'V? ^{the pressure} is on «> H ί Üft ⁰ ^ ³¹ ? According to ^{the further invention} , Kf u * ^d if ^{Bnicke support} "the end faces of the Ε ''^" _H ^rin fT''g ^ "and the ^pressure screws are driven by stub shafts, which

"a ?? w" ^{dCr BRIDGE are} 'rer Ä> f T ^ ^eiSe _A ^we ^ ⁿ the roller stands of ih-κ ^A " ^fgabe > ^die Antne.be for turning the printing iT?" Z ^ ' ^liberates ' ^W ° ^{by means of which it can easily be} shaped.

ΟπίΛΐ ⁰ T ⁸ V ' ¹ ^ ^A -f ^ -n _g sbeispie, a 6, ^ arto cold rolling stand according to the invention shown

F '"", ^ZWar "·?' ·
w ⁸ "^ ^{partially cut} " e side view

the support

3 4

the upper bridge on one of the two pressure ends, outer end faces of the pressure screws

screws. , ring-shaped.

The roll stand consists of the two rolls - The stub shafts 34, 35 extend into gearbox 36,

stand 1,2 and has a pair of outer back-up rollers 3,4 37, the same as the adjusting motors 38, 39 of the and a pair of work rolls 5,6. The upper support 5 bridge 24 are supported.

roller 3 is mounted in chocks 7, 8 and has if the hydraulic power units in the sense

elongated roll pin 3 α, 3 b, on the ends of which a retraction of the piston 17, 18 is actuated

tere bearings 9,10 are arranged. At these bearings 3 em bending moment is in the upper backup roll

9, 10 attack pairs of tie rods 11, 12, which testify to the deflection of the roller under rolling pressure:,.

counteracts upper bearing eyes 11a, 12a by means of round bolts 13, io and thus the crowning of the cyl ·,

14 are articulated to fork pieces 15,16. able to control drischen back-up roll. Those of a ..

These fork pieces are the ends of pistons 17,18, tie rods 11, 12 exerted tensile forces go over: - ·.

which, together with cylinders 19, 20, the hydraulic chocks 7, 8 and the pressure screws 26, 27

Power units to control the crowning of the upper in the bridge 24, on which the hydraulic power,

Represent support roller 3. These cylinders are attacking in 15 units. The counter-bending forces run

pivot points 21, 22 oscillating in a flexural stiffness with within a closed system, to the ov

Bridge 24 stored. Pressure nuts 28, 29 of the pressure screws do not go.

This bridge 24 rests on the upper end faces. This means that the threaded connection «·

of the two adjusting pressure screws 26, 27, whose between the pressure screws and their Druckm.

Pressure nuts 28, 29 in the upper frame bars are not affected by the counter-bending forces, but rather led.

support verses la or 2 α . lent _{Vüm the} weight of the back-up roll 3, its installation!

To support the upper bridge 241 on the ken 7.8, the bridge 24 with the adjusting device x -

To explain the outer end faces of the pressure screws 26, 27 as well as the counter-bending device 9 to 22 loaded, refer to FIG. 2 referenced. However, hereinafter, essential is the fact that a ^':

the support takes place via a ring-shaped, divided 25 these parts to the adjustment movements of the pressure cords -

Pressure piece with a spherical cap-shaped part 30 ben 26, 27 follow, so that the stroke of the Biegezylinci. :

and a correspondingly pan-shaped lower part 19, 20 can be small and, above all, the hydraulic one

31 as well as a rolling element thrust bearing 32 to a pressure in the cylinders during adjustment movements see below.

annular outer end face 27a which can be left with a pressure, and all of this without

screw 27. The thrust bearing 32 is within a 30 extension of the roll stand because the mitw.rv

Federal 27 b of the pressure screw 27 centered Furthermore, the bending cylinder 19, 20 supporting bridge 7 A

the lower pan-shaped part 31 of the pressure piece runs outside the stand window, kes an inner centering ring 31 α, over which it is inside It should be noted that between the Einbaustük-

half of the thrust bearing 32 is centered. In this way, 7,8 ken the upper backup roller 3 and the pressure

is the bridge 24 with the attached parts 30 35 screws 26, 27 hydraulic pressure pots, consisting

of the pressure pieces opposite the pressure screws 26, made up of cylinders 40, 41 and pistons 42, 43

27 secured in their position. that are used to regulate the roll gap.

To turn the pressure screws 26, 27 are used.

In the exemplary embodiment stub shafts 34, 35, which are to be pulled with, it is useful for the upper

their multi-groove teeth 34 a, 35 a in corresponding 40 set of rollers 3.5 to provide a balancing to

Corresponding internal teeth of the pressure screws 26, the thread between the pressure screws 26, 27

27 intervene. Because of this stub shaft drive and its pressure nuts 28, 29 in the direction of the

of the pressure screws, the rolling pressure that takes up the bridge 24 must be made free of play.

1 sheet of drawings

Claims (2)

rdiemensrecht: 1. Roll stand or κ «\ -, λ α n Flat material ^ nSf λ ^Ζ "ϊ. ^AusaIzen ^^ S ^^^ IS ^ - ^and gen or outer wSnr ^". i ^P \ ndereinziden, the SSt d _he wS ^? ^ f ^ "'draulic KraSinEeiten H-" ^{Ve 7 nd hv} "to a respective? dt two W ^ i ^d * ^S1C J ^{rolling manner} the bridge absSSeTd ^ de upper roller zupeordnete Br ^. H movements of GGE £ by gekennzeichnTt" η bridge (24) on the outer forehead ?. "f ^{6 of} the pressure screws Γ26 I ₇ TnS η ⁿ these in their positionVesfcher £" 2. Roll stand according to Ansnn.rh ι η a . indicates that the AI '?? " Ψ (24) consists of a hundredweight Sh « 1 "^" the outer DnfckSL? Edf ^} Γ " d Γ ^{> da} ' is adversely affected. However, the fastening of _the hydraulic power units for the crowning control of the adjustable upper support roller on ^{a bridge is an} advantage, since the crossbeam located below the Anstelj pressure screws ^{makes all adjustment movements of the upper roller set so that within the} hydraulic power units ^{there is no H} "need !, when ^the roll gap is changed to be ^b procedures. the hydraulic ⁰ ^ ^{aS G} ^ ^ ^{nbie the} ° ^bem support roll can be som.t. Anstell movements are allowed to stand. - ^ ^ "™" ^ ^{Fiction "manure dn five '^ 86' do or} g maintain ^a Sander with Druckschrauben- ^AnsteIIun but below the solution up ^{Sabe 'the DehnIän} g ^{e d} erändern not to ^ ™ roll stands This is achieved by. that the top