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Патент USA US2122674

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vJuly 5, 1938.
2,122,674
A. J. WARDLE
STRIP UNCOILER CRADLE
FiledNov. 28. 1936
4 Sheets-Sheet '1
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INVENTOR.
‘ AMBROSE J: WARDLE
BY
_.
f ATTORNEY.
July 5, 1938.
2,122,674
A. J. WARDLE
STRIP UNCOILER CRADLE
Filed Nov. 28, 1936
-
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BY
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July’5, 1938.‘
’
'
~
v
A. ‘J. WARDLE
.
STRIP
UNCOILER
'
‘
2,122,674
CRADLE
File_d Nov. 28. 1936
' 4'Sheets-Sheet s
\
INVENTOR.
I WARDLE
AMBROSE
B"
Wf .
‘
ATTORNEY.
July 5, 1938.
Q
A_ J_ WARDLE
2,122,674
STRIP UNCOILER CRADLE 7
Filed Nov. 28. ‘1936
4 sheets-‘sheet 4 ‘
INVENTOR;
AMBROSE I WARD LE
BY
5’
'
A
ATTOR EY.
2,122,674
Patented July is, less ‘
' uni-rep "STATES PATENT OFFICE@
'
'
2.12am.
'
STRIP UNCOILEI. CIADLI
Ambrose J. Wardle, Youngstown. Ohio, alsignor I
McKay
00mm. loans:
town, 0hlo,\ a moi Ohio
' 7 Application‘ November as, use. Serial No. mass
"Claim. (c1. sis-ray
This invention relates to a machine for un
In the drawings:
colling metal strip and more particularly to a
machine for such purpose which is dependable in
its operation and which effectively performs its
Figure l is a side elevation of a metal strip un
giler constructed in accordance with my inven
on;
5 function without injury to the material being
handled.
-
I‘
4
’
It is common industrial practice to wind the
‘metal strip into compact coils by means of reels ‘
as it issues from the rolling mill or other proc
10 ess‘ing' equipment to aid‘ in handling and shipping
the same. Before
coiled. the strip is coated
-
Figure 2 is a cross-sectional view of the uncoiler
taken along the line 2-4 of Figure 4, looking in
the direction of the arrows;
'
-
Figure 3 is a cross-sectional view of a coil sup
porting roll;
'
‘
.
I
Figure 4 is an end elevation of the uncoiler;
~10
, . Figure 5 is a cross-sectional view taken along
prevent premature core‘ y the line H of Figure 1, showing the coil in
rosion, thus preservin the smooth surface-‘at; "I position and diagrammatically illustrating the
with a thin film of oil
tained by modern manufacturing'methods. ‘ ‘Fab:
15
» "controlling circuitr
ricators and other users 'offmetalistripgpmvide
their plants with _apparatus_jtc
the
‘
--;_~porting cradles; and
as received in coil form and{i;son_ie§; plants have
installations
production offor
pressed
the automati
steel. p ‘ I '
'
Figure 6 ha partial plan view of the coil sup
'
' --.Figure"l is an elevation of a modified form of
apparatus embodying‘ my invention. '
I ,-
device for intermittently feeding!
Referring to the‘ embodiment of the inven
' tion illustrated in Figures 1 to 6, inclusive, the
20 to the press vor stamping machinecl-isl-lypositiqned
.
._
Y , numeral ll designates the hollow supporting base
' - between the uncoiler and the press’ orstamping ' - for the,app'aratus which is preferably constructed
, machine. ‘fro-insure a high rate of production
by welding together suitably formed plates and
the uncoiler must necessarily deliver an unfailing ' sections. One end of the base is provided with
as supply of uniform strip. The rate of delivery be
ing controlled in accordance with the demands
of the feeding mechanism.
,
_ Accordingly, it is an object of the invention to
provide a strip uncoiler cradle on which the coil
80 may be easily placed and held in position by grav
ity and in which novel guide means is employed
which guide means is'operative to perform its
-. function without danger of injury to the side edges
of the strip being uncoiled.
v
Another object of the invention is to provide
improved means to support and rotate the coil
to aid in keeping the coil on the cradle and to
insure sumcient rotation of the coil that it may
deliver an adequate supply of strip.
A further object of ‘the invention is to pro
vide improved means to control the delivery of
_ strip fromthe coil in accordance with the de
mand of feeding or other mechanisms, the con
trol means being contained entirely in the un
45 coiling machine whereby the uncoiling machine
a raised portion II to form a raised support for
a'slidable guide carrier l2. Suitably secured to
the base II at its other end is a pedestal I! to
form a raised support for another guide carrier
II. The raisedlportion ll of the base Ill and the
pedestal II also form the end supports for a.
cradle assembly adapted to receive and rotatably
support a coil ll.
The cradle assembly is supported by a pair of
spaced parallel shafts II having their ends jour
naled in the side walls of the base portion ii
and the pedestal ll. As shown more clearly in
Figures 5 and 6, a cradle i‘l consisting of a rigid
rectangular frame is rotatably supported on each
of the shafts it which pass through the centers
of the end members ll of the cradles l1. If 40
desired, suitable anti-friction bearings may be
provided between the shafts I. and end members
It to eliminate the tendency of the rotation of
the shafts to rotate the cradles and to prevent
the cradles from moving longitudinally along the 45
may be used in conjunction with feeding mecha - shafts. Each of the cradles is provided with a
nisms'without ‘modification thereof and without pair of shafts l9 parallel to and equally spaced
the need of any electrical or mechanical con
from the shaft I6 and having their ends rotatably
nection between the uncoiler and the feeding de
supported in the end members l8. A roll 20 is
50 vice except the metal strip itself.
1
securely keyed to each of the shafts IS in lateral 60
Other objects and advantages of the invention alignment with each other to form spaced sup
will become apparent from a consideration of the ports for the-coil ll.
drawings and the following detailed description
A spur gear ii is keyed to the shaft it within
wherein selected embodiments of the invention the cradle frame ll adjacent to the end member
are disclosed.
I
l8 and meshes with gears 22 keyed to the roll 56
2
2,122,074
carrying shafts IS, the gears 22 being laterally
tudinally therein by a‘ screw ‘Ill threadedly en
aligned with respect to gear 2|. It can therefore
be readily seen that rotation of the shafts l6
gaged with anaperture in lug 'll depending from
the carrier. The adjusting screw 10 is restrained
results in rotation of the coil supporting rolls Ill
and the consequent rotation of the coil supported
from longitudinal movement by the collars 12 se
cured to the screw. Bolts ‘I! lock the guide car
thereon. Since the cradle frames H are free to
rier in selected position.
_
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'
The rotary guides 4| and 80 keep the strip in
four rolls III will be ‘in constant engagement with k position during the uncoiling thereof and rotate
the outer surface of the coil l4 regardless of its with the coil. The guides are freely mounted and
rotate about the axes of the shafts i8, each of the
10 diameter. ' I have found: this feature to be of’ operate in such a manner that should a portion 10
distinct advantage as it materially reduces the
danger of the coil being pulled off the uncoiling
machine by the action of the pinch rolls 30,
Figure _5, or other feeding mechanism with which
.
15 the uncoiler may be used.
As shown more clearly in Figure 3,. the coil
supporting rolls 2i! consist of a metallic hub 24
tired with a thick layer of rubber 25 intimately
bonded with the metal. of the hub. Preferably
the rubber 25 is of a synthetic composition of the
28
of an edge of the strip be forced ‘into tight en
gagement with the face of the guide, the guide
will be rotated and so will prevent the tearing or
deformation of the‘ edge of the strip. As ex
plained above the rotary guides are longitudinally 15
adjustable with. respect to the coil supporting
rolls 20 and with each other; this in order that
the device may accommodate coils of di?erent
widths and that the guides may fit closely against
the side edges of the strip.
'
type resistant to the normal deleterious action
To control the rate of delivery of the strip‘
of hydrocarbon compounds. This is a desirable
feature since the oil coating of the strip would
from the coil I employ the switch ‘I8 mounted ad
jacent the periphery of the coil and operated by
quickly deteriorate natural rubber. if used on
the arm 'l'l to control the operation of the motor
3|. The switch ‘I6 is mounted on the holder 15 25
the. rolls.
,
'
Theuse of rubber on the rolls enhances the fric
tion between the coil and the rolls and this to
gether’with the cradles arrangement whereby all
four rolls are in constant engagement with the
'30 0011 results in the coil being positively rotated
upon rotation of the rolls. The ?nal result is
that an adequate supply of strip is uncoiled and
the tendency of the feeding mechanism with
which the uncoiler may be associated to pull the
which in turn is pivotally mounted on the outer
side member of a cradle I'I.‘ As the,cradle ll
rotates inwardly upon reduction in diameter of
the coil the switch 16 moves toward the center
of the‘ coil and thus ~tends to follow the inward 80
'movement of the periphery of the ,ccil. The
switch is ‘operated by the arm ‘I1. which. is pro
vided at its outer end with a roller to engage
the surface of the strip when the strip loops out
35 coil from the machineis obviated.
wardly as at ‘IS-as will occur when the uncoiler is
coupling 34 and variable speed transmission 32,
all housed within the base I0, is utilized to drive
the shafts l6 and rolls 20. The speed of rota
40 tion of the elements is controlled by operation of
the handwheel 33. I A transversely extending
shaft 35 journaled within the pedestal I3 is
manded by the feeding mechanism or pinch rolls
30. The movement of switch arm 11 by the strip
off the apparatus wherein the left guide member
coupled. with the output shaft of thev variable
is omitted and thecradles are set in an inclined
speed transmission 32 by the chain 36 and drives
position. In this device the coil I4 is, supported
conjointly by the rolls 2! and the rotary guide 45
member 60. A base 90 supports the elements and
Motor 3| transmitting through the ?exible
45 both the shafts 16 through Worms fl and worm
gears 38 housed within the pedestal.
>
dispensing the strip at a greater rate than __is de- '
operates to deenergize the motor 3| and stop
the rotation of the coil.
'
Slidably mounted in a longitudinally extending
the gear case 9| supports the transverse drive
bore 4| in the upper end of the pedestal II is
shaft 35, one end of the cradle supporting shafts
the guide carrier l5 rotatably supporting at its
.inner end a rotary guide generally indicated at 4|
having a hub 42 mounted on the end of the car
rier by the bearing assembly 43', a circular plane
disk 44 and braces 45 welded to the hub and disk.
The carrier I5 is longitudinally adjustable by a
55 toothed rack 46 secured thereto and meshing
with a spur gear 41 carried by a transverse shaft
48 provided at its outer end with a handwheel 49.
, Rotation of the handwheel results in longitudinal
movement of the carrier l5 and operates to bring
the rotary guide 4| in contact with the adjacent
side edge of the coil. Bolts. I0 and iii may be
employed to lock .the guide in selected position.
Another rotary guide generally indicated at 60
is employed to engage the other side edge of the
coil and consists‘ of a circular plane disk 6|, a
backup plate 62, hub 63 and braces 64 welded to
. the hub and backup plate.
Bolts or rivets 65
encircled by spacing sleeves 66 are employed to
provide a truss construction for increased strength
and rigidity. The guidev 60 is rigidly secured to
a shaft 68 rotatably mounted in a longitudinallyv
extending bore of the carrier l2 by means of the
anti-friction thrust bearings 69. The carrier I2
is slidably mounted in a- dovetailed groove in the
75 top of the raised base H and is adjustable‘ longi
40
In Figure '7 there is illustrated a modified form
l6 and houses the worms 31 and the worm gears
38. Aside from these changes the device is iden
tical with the structure of Figures 1 to 6.
Having thus described my invention what I
. . claim is:
1. A coil supporting and rotating assembly for
a strip uncoiling device comprising a pair of
spaced parallel supporting and driving shafts,
means to rotatably support the ends of the shafts,
a cradlerotatably supported on each of they shafts,
a pair of spaced roll carrying shafts journaledv in
each of said cradles and being in parallel aligns
ment withthe driving shafts, a coil supporting
roll carried by each of said roll carryingshafts
and power transmission means between the driv
ing shafts .and' each of the roll carrying shafts
whereby rotation of . the driving‘shafts results in
rotation of the roll. carrying shafts.
2. A coil supporting and rotating assembly for I
a strip‘ uncoiling device comprising a pair of
spaced parallel supporting and driving. shafts, 70
‘means to rotatably support said shafts, a cradle
rotatably supported on each of said shafts, a pair
of spaced coil supporting rolls carried by each
cradle and having their axes of-rotation parallel
with said shafts, and driving means between the II
‘
.
3
2,122,674
shaft and‘the rolls whereby rotation of the shaft
results in rotation of the rolls.
3. A metal strip uncoiling device comprising a
plurality, of arcuately disposed supporting and
a plurality of arcuately disposed coil supporting
rolls, means to rotate said rolls, a rotary guide
member adapted to engage a side edge of the coil
comprising .a disk positioned above and to one
rotating rolls adapted to support and rotate a
side of said rolls, said disk being mounted for
coil of metal strip, guide members for saidcoil
comprising a pair of spaced parallel disks posi
free rotation in a plane normal to the axes of
tioned above and on- either side of said rolls, said
disks being mounted for free rotation on longi
tudinally aligned bearings extending parallel to
the axes of rotation of the rolls, and means to
rotation of the rolls.
-
, 9. A strip uncoiling device comprising means
to rotatably support the coil, a pair of spaced
parallel rotary guide members adapted to engage 10
opposite edges of the coil, each guide member
'
comprising a disk positioned above and to one
4. A metal strip uncoiling device comprising a side of the coil supporting means, said disks being ‘
hollow base member having a raised portion at mounted for free rotation in planes parallel with
one end, a hollow pedestal secured to said base the side edges of the coil.
.
15
member at its other end, a pair of spaced par
10. A strip uncoiling device comprising a base,
allel shafts having their ends journaled in the a pair of spaced parallel shafts mounted on said
'raised portion of the base and in the pedestal, base in an inclined position, a cradle rotatably
a transverse shaft in said pedestal for rotating carried by each shaft, a pair of spaced coil sup
said parallel shafts, a motor in said base for ro
porting rolls iournaled in each cradle, driving
tating said transverse shaft, a cradle rotatably means between the shafts and the rolls whereby
supported on each of said parallel shafts, a pair of ‘ rotation of the shafts results in rotation of the
coil supporting and_rotating rolls Journaled in rolls, a rotary guide comprising a disk mounted
each cradle for rotation on axes parallel with the in a plane normal to the axes of the shafts and
parallel shafts, driving means between the par
above the lower endsthereof, said disk forming
allel shafts and the rolls whereby the rolls may a support for the coil and adapted to rotate freely
be caused to be rotated, a guide comprising a disk upon rotation of the coil.
,
positioned normal to the axes of the parallel
11. A strip uncoiling device comprising a base,
shafts and thereabove, means including said ped
a plurality of arcuately disposed coil supporting
estal to support said disk for rotation in the plane rolls arranged'with their axes parallel with each
including the disk, a second guide comprising a other but inclined with respect to the horizontal,
disk spaced from and parallel with the ?rst named a rotary guide comprising a ?at disk positioned
disk, and means including said raised portion of at the lower end of said rolls and lying in a plane
the base to support said second mentioned normal to the axes of rotation of the rolls, said
disk for rotation in its plane.
disk forming a support for the coil and adapted
5. A metal strip uncoiling device comprising a to rotate freely upon rotation of the coil. '
base member having a raised portion at one end,
12. A strip uncoiling device comprising a base,
a hollow pedestal secured to said base member a pair of spaced parallel shafts mounted on the
at its other end, a pair of spaced parallel shafts base, a cradle rotatably mounted on each shaft
having their ends journaled in the raised portion comprising a frame having side members and
of the base and in the pedestal, a transverse shaft end members, a pair of spaced coil supporting
in said pedestal for rotating said parallel shafts, rolls iournaled in each cradle and having their
means to rotate ‘said transverse shaft, a cradle ro
axes of rotation parallel with the shafts, a switch
tatably supported on each of said parallel shafts, supported on the outer side member of a cradle
a pair of coil supporting and rotating rolls jour
and having an operating arm positioned adjacent
naled in each cradle for rotation on axes parallel the periphery of the coil and adapted to be actu
with the parallel shafts, driving means between ated by a loop from the coil, and means controlled
the parallel shafts and the rolls whereby the rolls by said switch to drive the coil supporting rolls.
may be caused to be rotated, ‘a guide member
13. A strip uncoiling device comprising a base,
comprising a disk positioned normal to the axes a pair of cradles pivotally supported on said base,
of the parallel shafts and thereabove but to one a pair of spaced parallel coil supporting rolls
side of the rolls, and means including said raised Journaled in each cradle and having their axes
portion to support said disk for rotation in the of rotation parallel with the axes of rotation of
plane including the disk.
v
'
v _
the cradles, means to rotate said rolls, an arm
6. A metal strip uncoiling device comprising a pivotally mounted on one of said cradles posi
rotate said rolls.
plurality of arcuately disposed coil supporting
rolls, means to rotate said rolls, guide members
for the coil comprising a pair of spaced parallel
disks positioned above and on either side of said
rolls, said disks being mounted for free rotation
on longitudinally aligned bearings extending par
allel to the axes of rotation of the rolls, and means
to selectively position the guides along the longi
tudinal line of their axes of rotation.
7. A metal strip uncoiling device comprising a
plurality of arcuately disposed coil supporting
tioned adjacent the periphery of the coil and
adapted to be actuated by a loop from said coil,
and means actuated by said arm in control of said .
‘roll rotating means.
-
14. A coil supporting and rotating assembly for
a strip uncoiling device comprising a base, a pair
of cradles rotatably supported on said base on
spaced parallel axes, a pair of coil supporting roll
carrying shafts rotatabiy mounted on parallel
axes on each of said cradles, said last mentioned
axes being parallel with said ?rst mentioned axes,
rolls, means to rotate said rolls, a rotary guide ' a coil supporting and rotating roll keyed to each
member adapted to engage a side edge of the coil of said roll carrying shafts, and means to rotate
comprising a disk positioned above and to one said roll carrying shafts in all positions of said
side of said rolls, said disk being mounted for cradles.
70
free rotation in a plane normal to the axes of re
tation of the rolls, and means to selectively posi
tion the guide along the longitudinal line of its
axis of rotation.
'8. A metal strip uncoiling device comprising
.15. Structure according to claim 14 including
,a tire on each of said rolls, said tire being of a
synthetic rubber composition to provide 'driving
friction and to prevent marking of the material
being uncoiled.
.
78
.4;-
v
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'
9,192,074
18.‘ A metal ‘strip uncoilin'g device comprising
1/
tion in a‘ plane includin'gihe disk and parallel t0
means to rotatably support a coil c-i strip; a guide
the side surface of ‘the coil, and means to ‘move
member for said rotating coil comprising a. rotary
said disk longitudinally with respect to said coil
disk sdap?ed tb- engage the side edge of the coil
supporting means.
s‘ and the side edge ot~the imniierisl as “is being‘- _,
uncoiledi-‘ssid ‘disk-
Inoiinted‘fbr tree ,rota-;
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‘
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AMBROSEJ. WARDLE;
5
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