U.S. patent application number 10/332592 was filed with the patent office on 2003-08-07 for device for receiving and onwardly transporting coils of rolled strip which are transported to said device from a strip rolling mill or a rolled strip storage unit.
Invention is credited to Denker, Wolfgang.
Application Number | 20030146335 10/332592 |
Document ID | / |
Family ID | 7649159 |
Filed Date | 2003-08-07 |
United States Patent
Application |
20030146335 |
Kind Code |
A1 |
Denker, Wolfgang |
August 7, 2003 |
Device for receiving and onwardly transporting coils of rolled
strip which are transported to said device from a strip rolling
mill or a rolled strip storage unit
Abstract
The invention relates to a device for receiving, transporting
onwards and unwinding coils of rolled strip (WB) which are
successively transported to the device from a strip rolling mill or
a rolled strip storage unit. The device consists of a carousel-type
support (KT) which can be driven in rotation about a vertical axis
(VA) and on which a pair of radially projecting, rotationally
mounted support mandrels (TD) with axial locking elements are
located, these support mandrels being angularly offset from each
other about 190.degree.. The carousel support (KT) pivots the
support mandrels out of a receiving position (A) for the coils of
rolled strip (WB), into an unwinding position (C), about a pivot
angle of 180.degree.. The carousel support also has at least two
other support mandrels (TD II and TD IV) which are offset from the
two aforementioned support mandrels (TD I and TD III) by
90.degree., respectively. Other processing positions (B and D) for
removing the coil binding strip and marking or applying the coil
binding strip are provided between the receiving position (A) and
the unwinding position (C) and between the unwinding position (C)
and the receiving position (A) of the support mandrels (TD I, TD
II, TD III, TD IV), angularly offset about 90.degree.,
respectively.
Inventors: |
Denker, Wolfgang;
(Freudenberg, DE) |
Correspondence
Address: |
Friedrich Kueffner
Suite 910
317 Madison Avenue
New York
NY
10017
US
|
Family ID: |
7649159 |
Appl. No.: |
10/332592 |
Filed: |
January 10, 2003 |
PCT Filed: |
July 11, 2001 |
PCT NO: |
PCT/EP01/07988 |
Current U.S.
Class: |
242/559.2 |
Current CPC
Class: |
B21C 47/245
20130101 |
Class at
Publication: |
242/559.2 |
International
Class: |
B65H 019/12 |
Foreign Application Data
Date |
Code |
Application Number |
Jul 17, 2000 |
DE |
100 34 633.2 |
Claims
1. Device for receiving, transporting, and unwinding coils of
rolled strip (WB) which have been transported to the device in
succession from a strip rolling mill or a rolled strip storage
unit, consisting of a carousel support (KT) which can be driven in
rotation around a vertical axis (VA) and which is equipped with
four rotatably mounted support mandrels (TD) with axial locking
elements (RV), the mandrels being offset by 90.degree. from each
other and projecting in the radial direction, the carousel support
rotating the mandrels around a certain pivot angle from a position
(A) in which the coils of rolled strip (WB) can be unwound or
removed, characterized in that positions with devices for the
further processing of the coils of rolled strip (WB) such as
devices for removing the coil binding strap, for labeling, for
binding the coil, etc., are provided for the carousel support (KT)
between, and with a 90.degree. offset in each case from, the
receiving position (A) and the unwinding position of the support
mandrels (TD).
2. Device according to claim 1, characterized by a rotational drive
installed permanently in the area of the unwinding position (C),
which drive can be coupled to the support mandrel (TDI, TDII,
TDIII, TDIV) which is opposite it at the time in question.
3. Device according to claim 2, characterized by a strip shear
(BS), which is installed near the unwinding position (C) in the
path along which the unwound strip travels.
4. Device according to claim 3, characterized by a straightening
device downline from the strip shear (BS).
Description
[0001] The invention pertains to a device for receiving,
transporting, and unwinding coils of rolled strip, which have been
transported to said device in succession from a strip rolling mill
or a rolled strip storage unit, the device consisting of a carousel
support, which can be driven in rotation around a vertical axis and
which is equipped with four rotatably mounted support mandrels with
axial locking elements, the mandrels being offset by 90.degree.
from each other and projecting in the radial direction, the
carousel support rotating the mandrels around a certain pivot angle
from a position in which the coils of rolled strip can be received
into a position in which the coils of rolled strip can be removed
or unwound.
[0002] Devices of this type, by means of which a rolled strip being
delivered from a rolling mill is wound into a coil on a rotating,
motor-driven support mandrel, mounted on a carousel support, and by
means of which the coil is then brought into a different position
by the carousel support and unwound again in this position (EP-A-0
576 890 and FR-A-1 158 457), are already known. According to
another known proposal, four support mandrels are mounted
90.degree. apart, in a crosswise manner, on each of a pair of
carousel supports, which are set up a certain distance apart. A
strip shear is installed between the two carousel supports. With
this system, coils of rolled strip are pushed in succession onto
the support mandrels of the one carousel support; the strips are
unwound and sent to the strip shear; and the strips thus formed are
sent to the support mandrel of the other carousel support and wound
up on it (U.S. Pat. No. 2,202,883). Another known proposal involves
the installation of a carousel support in a strip rolling mill
between two rows of rolling stands. This carousel carries two pairs
of winding reels, which are spaced a certain distance apart and
rotationally offset from each other. In this arrangement, the
rolled strip being delivered from the one row of rolling stands of
the strip rolling mill is wound up and possibly processed on the
first pair of winding reels; the strip is then sent on to the
second pair of winding reels for further processing and finally
transferred from them to the other row of rolling stands (DE-C-972
603). According to yet another proposal, the support mandrels
mounted on the carousel support are used to bring the coils of
rolled strip, which have been delivered by a ground-level transport
device or a walking beam and turned so that their center axis is
horizontal, onto one of the support mandrels, to hold the coil
axially in place on the mandrel, to pivot the support mandrel
together with the coil of rolled strip into the unwinding position,
and finally to unwind the coil. In the meantime, the following coil
can be pushed onto the first support mandrel, now in the receiving
position, and locked in place on it (U.S. Pat. No. 3,870,244).
[0003] The invention is based on the task of improving this device
in such a way that it can be used not only to receive, pivot,
unwind, and remove the coils of rolled strip arriving from a strip
rolling mill or from a coil storage unit but also, in association
with these pivoting movements, to subject the delivered coil of
rolled strip to additional processing steps and then to send it
onward once again, such further processing consisting of, for
example, a coil inspection, the attachment of coil binding straps,
the removal of coil binding straps, the labeling of the coil, the
weighing of the coil, etc., which have in the past been done on a
separate preparation reel.
[0004] This task is accomplished in that the carousel support has
at least two positions between, and offset in each case by
90.degree. from, the receiving position and the unwinding position,
these new positions being provided with devices for removing the
coil binding straps, for labeling the coil, for binding the coil,
etc. In accordance with a further provision of the invention, a
permanently installed rotary drive, which can be coupled for
rotation in common with the support mandrel opposite it, can be
provided in the area of the unwinding position. In addition, a
strip shear can be provided near this unwinding position, in the
path along which the strip being unwound passes. A straightening
device can be installed downstream from the strip shear. This
design of the device according to the invention takes up much less
space and requires less work for preparing the foundations. The
device also makes it possible to eliminate some of the previously
required intermediate transfers of the coils and thus to eliminate
the receiving and transport devices required for these intermediate
transfers.
[0005] The invention is explained in greater detail below on the
basis of the exemplary embodiment illustrated in the drawing.
[0006] As can be seen from the drawing, four support mandrels TDI,
TDII, TDIII, and TDIV are mounted on the carousel support KT, which
can rotate around the vertical axis VA. The mandrels are offset
90.degree. from each other. They are supported on the carousel
support KT in a manner not shown so that they can rotate around
their longitudinal axes. Each support mandrel TD has a locking
device RV for holding axially in place the coil which has been
pushed onto the mandrel. When the carousel support KT turns in the
direction of the arrow S, the support mandrels are pivoted in a
succession of 90.degree. steps; thus a mandrel starting at position
A will be moved in succession to each of the following positions B,
C, and D. At position C, a coupling device KV, which can be slid
axially or pivoted into position, is installed in a stationary
drive housing AG, axially opposite the support mandrel which has
arrived in this position; in the present case, this is mandrel
TDIII.
[0007] The device operates as follows. A coil of rolled strip WB,
indicated in broken line, which has been brought by a walking beam
or other conveying device from a strip rolling mill or a rolled
strip storage unit, is pushed onto the support mandrel I, which is
in position A. The coil is locked axially in place by the locking
device RV and subjected to a coil processing operation such as an
inspection. Then the carousel support KT rotates around the
vertical axis VA by 90.degree. in the direction of the arrow S and
brings the coil WB into position B. In this position, the coil WB
can be subjected to another process or the binding strap can be
removed. The next rotational step of the carousel support KT by
90.degree. pivots the coil WB into position C. While the support
mandrel I is in this position, the coupling device KV is pushed
forward in the direction of the double arrow P and thus connected
to the mandrel. This makes it possible for the coil BD, indicated
in broken line, to be unwound from the coil and possibly for the
initial portion of the strip BD to be cut off by the shear BS
installed downstream from the coil. The coil WB remaining on the
support mandrel I after the cutting operation is then brought into
position D by the next 90.degree. rotational step of the carousel
support KT. After another process such as the attachment of the
binding strap, labeling, etc., the coil is pulled off the support
mandrel TDI and sent on for further processing. As these processing
steps are being carried out, i.e., even while the coil WB is being
subjected to the first additional process after arriving in
position E, the next coil WB can be pushed onto the next unoccupied
support mandrel TDII, which has arrived in position A. This next
coil will then be brought by the following rotational step of the
support mandrel TDII into position B. The next coil WB can then be
pushed onto the free support mandrel TDIII, which has now arrived
in position A, etc. The coils WB of the sequence can thus be
subjected simultaneously to four different processes in one period
of time.
* * * * *