U.S. patent application number 10/546861 was filed with the patent office on 2006-08-31 for rolling frame and method for adjusting said rolling frame.
Invention is credited to Wolfgang Denker.
Application Number | 20060191308 10/546861 |
Document ID | / |
Family ID | 32695233 |
Filed Date | 2006-08-31 |
United States Patent
Application |
20060191308 |
Kind Code |
A1 |
Denker; Wolfgang |
August 31, 2006 |
Rolling frame and method for adjusting said rolling frame
Abstract
The present invention pertains to a rolling frame comprising
four support columns (1), which are anchored in a fixed manner to a
base plate (6) and in which are arranged axially fixed, rotatably
mounted tractive spindles (3), whose upper and lower ends are
provided with threads running in opposite directions, which receive
the upper and lower cross members (4, 5) and by means of which the
sets of rollers can be adjusted in opposite directions in relation
to one another, whereby the support columns (3) [sic, (1)--Tr.Ed.]
simultaneously guide the roller mountings (2) and receive bending
blocks, and a short-stroke setting cylinder (7) arranged between
the lower reinforcing roller mounting (8) and the lower cross
member (5) for exerting a rolling force.
Inventors: |
Denker; Wolfgang;
(Buscherstrasse, DE) |
Correspondence
Address: |
DUANE MORRIS, LLP;IP DEPARTMENT
30 SOUTH 17TH STREET
PHILADELPHIA
PA
19103-4196
US
|
Family ID: |
32695233 |
Appl. No.: |
10/546861 |
Filed: |
March 12, 2004 |
PCT Filed: |
March 12, 2004 |
PCT NO: |
PCT/DE04/00557 |
371 Date: |
August 23, 2005 |
Current U.S.
Class: |
72/248 |
Current CPC
Class: |
B21B 13/10 20130101;
B21B 37/007 20130101; B21B 29/00 20130101; B21B 31/028 20130101;
B21B 31/24 20130101; B21B 31/32 20130101; B21B 31/04 20130101 |
Class at
Publication: |
072/248 |
International
Class: |
B21B 31/24 20060101
B21B031/24 |
Foreign Application Data
Date |
Code |
Application Number |
Mar 13, 2003 |
DE |
103 12 122.6 |
Claims
1. Rolling frame, comprising four said support columns (1), which
are anchored in a fixed manner to a said base plate (6) and in
which are arranged said axially fixed, rotatably mounted tractive
spindles (3), whose upper and lower ends are provided with threads
running in opposite directions, which receive said upper and lower
cross members (4, 5) and by means of which sets of rollers can be
adjusted in opposite directions in relation to one another, whereby
the said support columns (1) simultaneously guide said roller
mountings (2) and receive bending blocks, and a said short-stroke
setting cylinder (7) arranged between the said lower reinforcing
roller mounting (8) and the said lower cross member (5) for
exerting a rolling force, whereby a separation of the transmission
of force to the rollers and of the guiding of the said roller
mountings (2) is achieved by means of a separate arrangement of the
said tractive spindles (3) and of the said roller mountings (2) in
the said support columns (1).
2. Rolling frame in accordance with claim 1, characterized in that
it is a two-, four- or six-high rolling frame.
3. Rolling frame in accordance with claim 1, characterized in that
an additional setting cylinder is arranged between the upper [sic,
"einem" is grammatically incorrect here"--Tr.Ed.] and the said
appropriate cross member (4, 5).
4. Rolling frame in accordance with one of the above claims,
characterized in that the threads of the said tractive spindles (3)
are designed as self-locking threads.
5. Method for adjusting the rolling frame in accordance with claim
1 for rolling operation, characterized in that first the back-up
rollers and working rollers are moved towards one another and in
position to the fitting line by means of actuating the said
tractive spindles (3) in the unloaded rolling frame, and in that
the roller setting force is then adjusted by means of the said
short-stroke setting cylinder (7).
Description
[0001] The present invention pertains to a rolling frame and a
method for adjusting said rolling frame for rolling operation.
[0002] Rolling frames usually comprise two roller housings with an
adjustable roller setting as well as an auxiliary setting for
achieving a constant fitting line. Determined by the construction,
the housing window contracts when a rolling force is exerted. In
case of different rolling forces, different clearances between the
roller housings and the roller mountings are present in the housing
window.
[0003] A universal rolling frame, comprising a closed frame for the
vertical rollers and mountings for the horizontal rollers, which
are supported at upper and lower cross members, has become known
from DE 21 44 511 B2. The cross members are connected to one
another by means of tractive spindles, which pass through the frame
and are axially fixed and rotatably mounted in same, such that
they--and thus the horizontal rollers--can be adjusted centrically
to the rolling or fitting line. The frame sits directly on the base
plate of the base.
[0004] According to DE 697 12 772 T2, a rolling frame has become
known, which comprises four support columns, which are anchored in
a fixed manner to a base plate and in which are arranged axially
fixed, rotatably mounted tractive spindles [sic, "Zugspindein" is a
typo for "Zugspindeln"--Tr.Ed.], whose upper and lower ends are
provided with threads running in opposite directions, which receive
an upper and a lower cross member and by means of which sets of
rollers can be adjusted in opposite directions in relation to one
another. The support columns simultaneously guide roller mountings;
short-stroke setting cylinders [sic, "Kurzhub-Ansteilzylinder"
should be "Kurzhub-Anstellzylinder"--Tr.Ed.] are arranged between
the lower reinforcing roller mounting and the lower cross member
for exerting a rolling force.
[0005] The document U.S. Pat. No. 4,712,416 A discloses a six-high
rolling frame with a horizontal offset of the working rollers.
[0006] The basic objects [sic, "Aufgaben" is a typo for
"Aufgabe"--Tr.Ed.] of the present invention is to create a novel
principle of design for rolling frames, which are adjusted to a
constant fitting line again and again without other auxiliary
aids.
[0007] This object is accomplished according to the present
invention by the combination of the following features:
[0008] The rolling frame, comprising four support columns, which
are anchored in a fixed manner to a base plate and in each of which
are arranged axially fixed, rotatably mounted tractive spindles,
whose upper and lower ends are provided with threads running in
opposite directions, which receive upper and lower cross members
and by means of which the sets of rollers can be adjusted in
opposite directions in relation to one another, whereby the support
columns simultaneously guide roller mountings and receive bending
blocks, and a short-stroke setting cylinder arranged between the
lower reinforcing roller mounting and the lower cross member for
exerting a rolling force, whereby a separation of the transmission
of force to the rollers and of the guiding of the roller mountings
is achieved by means of a separate arrangement of the tractive
spindles and the roller mountings in the support columns.
[0009] Moreover, the object is accomplished by a method for
adjusting the rolling frame with the features of patent claim
5.
[0010] Variants appear from the subclaims.
[0011] The basic mode of operation of the present invention is to
move opposite parts towards one another or away from another
uniformly (or nonuniformly) via a right thread and a left thread,
respectively. Simultaneously, the operation of the transmission of
the rolling force is separated from the "guiding the roller
mountings" operation, as a result of which drawbacks, such as the
contraction of the roller housing window, no longer occur.
Consequently, the tendency to "hum" is also markedly affected.
[0012] The present invention shall be explained below on the basis
of the drawing, whereby the figure shows a partially cutaway,
schematic lateral view of the rolling frame.
[0013] The design essentially comprises four welded support columns
1, which guide the roller mountings 2 and receive the tractive
spindles 3. The tractive spindles, which transfer the rolling force
via the upper and lower cross members 4 and 5, move same towards
one another or away from one another. The support columns 1 are
cast together with the base, i.e., the base plate 6 and are
fastened by means of anchor bolts. The design for the rigidity
depends on the loads to be expected through the roller mountings.
The tractive spindles 3 with their right and left threads are
positioned in the unloaded rolling frame. Only then is the rolling
force adjusted by means of a short-stroke setting cylinder 7
and--as specified--introduced into the connecting rods by means of
cross members in the operating state. The design depends on the
maximum rolling forces to be expected. Self-locking in the rolling
operation is guaranteed by the fine pitch in the thread, whereby
the position can additionally be made certain by means of a brake
in the adjusting drive. In the upper cross member 4 opposite the
short-stroke setting cylinder 7, an additional, small setting
cylinder (not shown) can be installed for smaller setting
forces.
[0014] The tractive spindles 3 are driven by means of four
synchronized individual drives or else by means of a drive with
mechanical synchronism. The upper and lower cross members 4 and 5
are moved towards one another or away from one another depending on
the direction of rotation of the tractive spindles. In this case,
the AW [working roller] is always adjusted to a fitting line in
case of the same roller diameter (StW [back-up rollers], ZW [draw
rollers], AW [working rollers]).
[0015] All components are finished parts that are simple to
machine. The low weights of the individual components for mounting
are another advantage.
* * * * *