Roll mill stand

专利摘要:
The invention relates to rolling production and can be used to produce flat profiles and sheets. The aim of the invention is to increase the efficiency of adjusting the profile and shape of the rolled strip. The invention is carried out in two - four and six lek cells. In the double roll stand, the work rolls 2 and 3 have a curved canopy along the entire length of the barrels, consisting of two convex and concave sections that pass one into the other, while both rolls are made with the possibility § L 1 JL 1 CO i g D CZ I with about about 4 about: 00 About
公开号:SU1306468A3
申请号:SU813344741
申请日:1981-10-14
公开日:1987-04-23
发明作者:Фельдманн Хуго；Холльманн Фридрих；Байземанн Герд；Гэртнер Хорст
申请人:Смс Шлеманн-Зимаг Аг (Фирма)；
IPC主号:

专利说明:

reciprocating movement in the axial direction, and forming pairs of like rolls are congruent. The displaceable rolls of the same kind are the support rolls of the quarto stand, the support rolls of the first row of the sexto stand and the work rolls of the duo stand, have an identical crookedly contour and are rotated relative to each other by 180, and the sections of each shiftable roll passing each other have radii of equal curvature. Axial displacement of like rolls may be performed in the same or opposite direction, the magnitude
one
The invention relates to rolling production and can be used to control the shape of rolled strips in cages that do not have devices for controlling the active generatrix of the rolls through their bending.
The purpose of the invention is to increase the efficiency of adjusting the profile and shape of the rolled strip.
Figure 1-3 shows two-four- and six-high rolling stands, respectively, a general view; Figures 4 to 6 are diagrams for adjusting the roll gap by axially displacing the work rolls with the proposed profiling of their outer generators.
The cage contains a bed 1 in which the following sets of rolling rolls can be installed: two work rolls 2 and 3, the outer ones of which have a curvilinear contour along the entire length of the drums, consisting of two convex and concave sections passing from one to another. In this case, the forming work rolls of the duo stand are congruent and each of the rolls has the possibility of reciprocal-displacement relative to each other; the quarto cage contains the upper set of rolls (working 2 and the supporting 3 adjacent to it) and the lower set of rolls (working 4 with the adjacent supporting 5); in sexto stand, the upper set of rolls consists of the upper working
their offsets may be the same or different. An additional effect on the configuration of the roll gap can be achieved when the axes of the same-named pair of rolls with a curvilinear contour are set across the rolling plane with inclination relative to each other. You can roll flat profiles and sheets with three cross-sectional shapes: uniform thickness over the entire width, with increased edge compression and (or) with reduced edge compression. 2 hp f-ly, 6 ill.
the roll, adjacent to it, the support roll of the first row and the second roll pressed to it, the same layout of the sexto has the bottom set
rolls.
In a double roll stand, the type of the roll gap is determined by the axial displacement of one or both work rolls; the rolls have an identical shape
in the form of a bottle and turned relative to each other at 80 before rolling. When axially adjusting, the gap between the rollers on the width of the procable strip has the same height and cross section, although after the passage it has a slightly curved tf shape.
Both support rolls 3 and 5 are moved to the quarto stand by pillows, and the roll-roll solution is carried out by means of a roll radial installation mechanism. The barrels of the support rolls have a curved contour along the entire length that is identical to the configuration of the work rolls in the duo variant. The left half of the barrel of the upper support roll 3 has a round contour, and the right has a concave, while the left half of the barrel of the lower support roll 5 has a concave contour, and its right half is high and has both radii of the same curvature. The barrels of work rolls 2 and 4 in the quarto stand are cylindrical in a static state, however, due to the mutual
Models with back-up rolls are forced to acquire an S-shaped bend, so that the gap between the working rolls and the rolled strip itself receive, respectively, a slightly S-shaped cross-section.
In the six-speed binder, axially movable in the axial direction are only the same supporting rolls 3 and 5 of the first row, and the supporting rolls of the 6th and 7th row and the work rolls do not have the possibility of axial movement.
The back rolls of the second row and the work rolls have cylindrical barrels, and the back rolls of the first row have barrels with a curved contour that can match the contour of both barrels of work rolls for a two-roll slit.
f5
However, the magnitude of their displacements may be the same or different.
An additional effect on the configuration of the roll gap can be achieved when the axes of the same-named pair of rolls with a curved contour are set across the rolling plane with inclination relative to each other.
When rolling a rolled strip, the gap between the working rolls along the entire length of the barrels has the same height, i.e. pillars act like cylindrical. Effective bulge C is zero.
In addition, it becomes possible to roll flat profiles and sheets with
This type of roll gap is determined by the axial displacement of one or both work rolls, in the four roll stand to change the contour of the roll roll gap between the work rolls. Axial movement of one or both support rolls is carried out, in a six-roll stand, the contour is adjusted support rolls of the first p yes.
The decisive factor for obtaining strips is only that pair of rolls, which has a curved contour throughout
25
thirty
three cross-sectional shapes. It is possible to roll a profile rounded in the shape of a wave in the direction of its cross section with a uniform thickness across its width as well as with increased edge compression and (or) with reduced edge compression.

权利要求:
Claims (2)
[1]
1. A rolling mill cage containing upper and lower roll sets consisting of a pair of work rolls or a pair of work rolls and one barrel core each, namely: how can the 35 th roll be used in each set and (or)
Both barrel contours complement each other at a certain position after axial displacement.
The size of the gap between the work rolls, which have a curved contour for four and six-shaft stands, is expressed as
d (z)
- r;, (z) - TjCz).
If one or both rolls are displaced axially by V and
V,
/ 2, the type of gap between the rolls varies:
(z, V, Vj) a - r (z - V) - g,
(z - V,),
-2 - 1. i.e. rolling pressure on the longitudinal edges of the rolled strip increases and (or) decreases .55
The axial displacement of both rolls can, if necessary, be performed in the same or opposite direction.
However, the magnitude of their displacements may be the same or different.
An additional effect on the configuration of the roll gap can be achieved when the axes of the same-named pair of rolls with a curved contour are set across the rolling plane with inclination relative to each other.
When rolling a rolled strip, the gap between the working rolls along the entire length of the barrels has the same height, i.e. pillars act like cylindrical. Effective bulge C is zero.
In addition, it is possible to roll with the same complex
three cross-sectional shapes. It is possible to roll a profile rounded in the shape of a wave in the direction of its cross-section with a uniform thickness across its width, as well as with increased edge compression and / or with reduced edge compression.
Invention Formula
1. A rolling mill cage containing upper and lower roll sets consisting of a pair of work rolls or a pair of work rolls and one support each
five
0
five
pairs of work rolls, one intermediate and one support rolls in each set, both rolls of one of the same pairs of rolls have the ability to reciprocate in the axial direction, and each of the rolls has a curvilinear contour that differs from the fact that, in order to increase the efficiency of adjusting the profile and shape of the rolled strip, the curvilinear contour along the entire length of the barrels of the shiftable rolls is designed so that the components of each of these rolls are two transition boiling from one another and the concave portions of the convex shape, and forming a pair of similar rollers are congruent.
[2]
2. Cage POP.1, characterized in that the shiftable rolls of the same name have an identical crooked pattern. 513064686
linear contour and unrolled areas
each other for 180. each displaceable roll of Vol 3, Crate according to PP.1 and 2, about tl and -yens with radii of the same screaming with the fact that the transition is life.
ge
I h
q
3
FIG 5
Editor N. Tupitsa
Compiled by Y.L. mov Tehred I.Popovich
Order 1470/58
Circulation 481 Subscription
VNIIPI USSR State Committee
for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
Production and printing company, Uzhgorod, st. Project, 4
FIG. 6
Proofreader L. Patay

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同族专利:

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公开号 | 公开日

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DE3163226D1|1984-05-24|

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JPH01266901A|1989-10-24|

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EP0049798B1|1984-04-18|

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JPH0669578B2|1994-09-07|

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EP0049798A3|1982-06-02|

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JPH01266902A|1989-10-24|

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AT7114T|1984-05-15|

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EP0049798A2|1982-04-21|

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DE3038865C1|1982-12-23|

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JPH0616885B2|1994-03-09|

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JPS5791807A|1982-06-08|

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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DE3038865A|DE3038865C1|1980-10-15|1980-10-15|Roll stand with axially movable rolls|LV930015A| LV5596A3|1980-10-15|1993-01-11|Velmesana stava rami|

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LTRP343A| LT2034B|1980-10-15|1993-02-13|SECTION OF CUTTING STOCK|