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Патент USA US2050306

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Aug. 11, 1936.
1.. FRIELINGHAUS
2,050,306 V
SHEET TRANSFER MECHANISM FOR ROLLING MILLS
Filed Oct. 25, 1934
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2 Sheets-Sheet 1
Aug. 11, 1936.-
2,050,306
\L. FRIELINGHAUS
SHEET TRANSFER MECHANISM FOR ROLLING MILLS
0
Filed Oct. 25, 1934
2 Sheets-Sheet 2
Patented Aug. 11, 1936
2,05%,35
, UNlTED STATES PATENT OFFICE
'
2,050,306
SHEET TRANSFER MECHANISM FOR
ROLLING snaps
__ I Louis, Frielinghaus, Dusseldorf, Germany, as
signor to Schloemann Aktiengesellschaft, Dus
seldorf, Germany, a corporation of Germany
Application October 25, 1934, Serial No. 749,884
In Germany November 6, 1933
6 Claims.
My invention relates to a sheet transfer mecha
nism for rolling mills, and particularly to open
mills which have a plurality of stands arranged
side by side in a line.
It is' an object of my invention .to provide a
mechanism by which sheets can be transferred
at'will from any one of the stands of an open
mill to any other stand for further treatment.
(Cl. 80—-44)
the gangways 24 clear. Now for transferring a
sheet S from a roller table I2 to one of its two
adjacent-conveyers M, the rollers R6 are raised
above the surface of the roller table l2, by pull
ing the rod 2| to the left in Fig. 2.
'
of rollers l6 of a distributor about the same or
different angles, so that a sheet placed on that
> It is a further object of my invention to pro~
distributor will assume either a horizontal or an
vide a mechanism by which sheets can be trans~
inclined position.
ferred from any one of the‘ stands of an open
mill back through the interval between two ad
jacent stands.
'
r
For this purpose, one of the bell cranks Iii-in
the Figures 3-5 that controlling the right hand
roller set—is directly connected to rod 2|,
: With these and other objects in view, I‘ will
15 now describe my invention more in detail, refer
whereas the other crank is connected to that
ence being had to the annexed drawings, in
the length of the lever arm of left-hand crank
I9 with respect to rod 2!. Attached to the links
which
’
Fig. 1 is a plan view and
Fig. 2 is a side view of a sheet transfer mecha
nism according to this invention,
Figs. 3, 4 and 5 are side views of its distributing
elements in three different working positions.
In the drawings, l0 and II are two stands of
an-open sheet mill arranged side by side, each
of them having-,a roller table l2 in front of them,
as is well known in the art. Between the stands
a, roller table 13 is located for passing sheets
back to the other side of'the stands, ‘where for
instance furnaces may be arranged for annealing
the sheets before entering one of the stands.
In thev drawings, only two of the stands of an
open sheet mill vare represented, it being well
rod by a system of links 25, which permit varying 15
25 is a hand lever 26 which can be rocked about
a certain'angle to e?ect the necessary adjustment
of the links. A notched sector 21 is provided on
an extended arm of crank l9 adapted to be
engaged by a lug on lever 25 so as to secure the
latter in the desired position.
When the two sets of rollers iii are moved in
unison, hand lever 26 engages with the central 25
notch of sector 21 (Fig. 3). For causing a rela
tive motion of one set of the rollers 15 with respect
to the other, hand lever 26 is engaged with one
of the two outer notches of sector 21, as will be
clearly seen from Figs. 4 and 5.
30
Of course, ‘any other suitable means can be
used for varying the motion of the one set of
understood, however, that ‘my invention can be
rollers I6 with respect to the other, for instance
used with any number of stands.
‘
In order to convey‘ a sheet S delivered from
a cam control.
any one of the stands to another, conveyers M
are provided for interconnecting the roller
tables l2. For delivering the sheets from a
roller table l2 to a conveyer l4, distributors l5
4:0 are provided between each roller table and the
abutting ends of the adjacent conveyer. Each of
said distributors comprises two sets of rollers [6,
one at each side of a roller table l2 having their
axes disposed normally to the axes of the rollers
' of the tables l2 and parallel to the conveyers
M. The rollers l6 are carried by curved levers
I‘! which are operated by means of links l8, bell
cranks l9, pivoted at 20, and a common rod 2!,
actuated by a suitable crank mechanism, not
shown.
Normally, when no sheets are to be transferred,
the distributors l5 are in their inoperative posi
tion, as shown in Fig. 2, in which position their
rollers l6 are swung sidewardly down and below
the surface of the roller tables l2 so; as to keepv
In
Means are provided for swinging the two sets
When all the rollers Q6 of both sets of the
distributor I5 are moved the same distance, the
sheet will maintain its horizontal position. For
delivering a sheet from the distributor rollers
IE to a conveyer l 4, one set of the former is raised
above or lowered below the other set, so as to 40
place the sheet in an inclined position causing
it to slide off and down onto the conveyer to
which it is to be fed.
The frames of the conveyers M are supported
at both ends on uprights 32 which have wheels
33, resting on tracks 34. The conveyers M are
normally below the plane of the roller tables l2
and of the distributors l5, ‘when the latter are
in their raised position. To enable the conveyers
M to be placed with their ends into registration 50
with a roller set H5, both uprights 32 have a lift
ing mechanism to raise the conveyer I 4 at its
ends. Each lifting mechanism comprises a shaft
35 adapted to be actuated by a rod‘ 36 from any
suitable means not shown. Shaft 35 has a de 55
2
2,050,306
pending lever 3'! to which is pivoted a cross beam
38. The latter has pin and slot connections at
its two ends with bell cranks 39 pivotally attached
to lifting rods 40 which are pivotally connected
with the uprights 32.
It will be readily apparent from the foregoing
that on shaft 35 being rocked in a, clockwise direc
tion, the right upright 32 of Figs. 1 and 2 will be
10
mills, having a plurality of laterally disposed
stands provided with roller tables, conveyers
lifted from its track 34 and the conveyer M will
forming a transverse interconnection between
thereby assume an inclined position, sloping
said roller tables and means located between each
downwardly to the left in Fig. 2, as indicated by
roller table and its adjacent conveyers and adapt
the dotted lines in said ?gure, whereas when shaft
35 is rocked in a counterclockwise direction, the
left upright 32 will be raised and the conveyer l4
ed to deliver a sheet from the roller table to said
conveyers, said means comprising two sets of sup
assume an inclination to the right in Fig. 2.
Any conveyer l 4 can thus be brought into regis
tration at its two ends with the raised rollers l6.
When a sheet S is transferred from one dis
tributor to the next, the conveyer [4 between
them is raised at ?rst at the end of the discharg
tudinal axis of the roller table, and means for
raising or lowering one set of said supporting
members relative to the other set.
4. In a sheet transfer mechanism for rolling
ing distributor, after that whereupon the sheet
is fed along the conveyer M, which, at the same
time, is lowered at that end and raised at the
other, so that the sheet can easily pass from con
veyer M to the receiving distributor I5 the rollers
l6 of which having previously been moved into
the right position. It will thus be seen that in this
way a sheet can be transferred from any roller
table l2 to any other without passing the inter
mediate tables or stands.
It is further to be noted that the conveyer M
will be above the roller tables 13 which are ar
porting members, one at each side of the longi
mills, having a plurality of laterally disposed
stands provided with roller tables, conveyers 2.1.
forming a transverse interconnection between
said roller tables, delivery means located between
each roller table and its adjacent conveyers and
adapted to deliver a sheet from the roller table
to said conveyers, and means for lifting said con- "
veyers at one of their ends so as to bring them
into proper alignment with said delivery means.
5. In a sheet transfer mechanism for rolling
mills, having a plurality of laterally disposed
stands provided with roller tables, conveyers
veyer I4 is raised at one end, but that the roller
forming a transverse interconnection between
said roller tables, and means located between each
roller table and its adjacent conveyers and adapt
ed to deliver a sheet from the roller tables to said
tables l3 are on the other hand above the con
conveyers, said means comprising a set of rollers 1'v. -
veyer, when the latter is in its downward posi
tion. By the lifting movements of the conveyer
being suitably controlled, a sheet can be trans
at each side of the longitudinal axis of the re
ranged intermediate the tables l2, when the con
ferred also from a conveyer I4 to a roller table l3.
it)
said roller tables, and means located between each
roller table and its adjacent conveyers and adapt
ed to be tilted about the longitudinal axis of their
respective roller tables for delivering a sheet from
the roller table to said conveyers.
3. In a sheet transfer mechanism for rolling
In the embodiment shown, the conveyers M
are chain conveyers of any suitable construction.
Of course, any other type of conveyer can be used
instead.
I claim as my invention:
1. In a sheet transfer mechanism for rolling
mills, having a plurality of laterally disposed
stands provided with roller tables, conveyers
forming a transverse interconnection between
said roller tables, and means located between
50 each roller table and its adjacent conveyers and
adapted to deliver a sheet from the roller table to
said conveyers.
2. In a sheet transfer mechanism for rolling
mills, having a plurality of laterally disposed
Cl 01 stands provided with roller tables, conveyers
forming a transverse interconnection between
spective roller table, said rollers being normally
arranged below the surface of the roller table,
and means for lifting the roller set above the
plane of the roller table, said means being also
adapted for raising or lowering one set of the
rollers relative to the other.
6. In a sheet transfer mechanism for rolling
mills having a plurality of laterally disposed
stands provided with roller tables, conveyers 45
forming a transverse interconnection between
said roller tables, means located between each
roller table and its adjacent conveyers and adapt
ed to deliver a sheet thereto from the correspond
ing roller table, and a roller table disposed inter- ,
mediate said ?rst mentioned roller tables, said
conveyers in their normal position being below
the plane of said intermediately disposed roller
table.
LOUIS FRIELINGHAUS.
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