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Патент USA US3035479

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May 22, 1962
J. D. SCHMUNK ETAL
3,035,469
TILE CUTTING MACHINE
Filed May 16, 1960
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ATIORNEY
May 22, 1962
J. D. scHMuNK ETAL
3,035,469
TILE CUTTING MACHINE
Filed May 16, 1960
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4 Sheets-Sheet 2
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INVENToRs.
JOHN D. SCHMUNK
W
BiîjALL E. GILLlLAND
May 22, 1952
.1. D. SCHMUNK ETAL
3,035,469
TILE CUTTING MACHINE
Filed May 16, 1960
4 Sheets-Sheet I5
v JNVENToRs.
JOHN D. SCHMUNK
B‘IÍ'IALL E. GILLILAND
@Maz LLL
ATTORNEY
May 22, 1962
J. D. SCHMUNK ETAL
3,035,469
TILE CUTTING MACHINE
Filed May 16, 1960
4 Sheets-Sheet 4
HVVENTURS.
JOHN D SCHMUNK
HALL E.GHJJLÀND
ATTORNEY
United? States >arent ities
www
¿patented May 22, i962
1
2
3,035,469
.
.lohn D. Schmunk and’I-Iall E. Gilliland, Findlay, Ohio,
`diagrammatically illustrated to which relatively long
lengths of clay in relatively plastic condition are delivered
`directly from aconventional extruder machine, which in
TILE CUTTÍNG MACHINE ~
this instance moves a double column of tile at the rate
assignors Vto The yHancock Brick and Tile Company,
C21 of approximately ninety feet per minute, the endless tile
Findlay, Ghio, a corporation of Ghio
being cut to forthy-two inch lengths and these lengths
Filed May 16, 1960, Ser. N0. 29,307
5 Claims. (Cl. 82-101)
are delivered in -a «double row to a dump conveyor A.
This invention relates to the manufacture of tile of
clay or the like, such for example, as used for drainage
The relatively long tile T are advanced along the dump
purposes.
conveyor A until a limit switch (not shown) is reached
10 whereupon the conveyor stops yand tilts laterally to dis»
Reference is hereby made to our copending patent
application Serial No. 812,393 tiled May l1, 1959, now
Patent No. 3,008,216, and entitled “Apparatus for Han
dling `and Severing Tile” of which this application consti
charge the tile T upon a slightly inclined table 6 along
which the tile roll in the direction of the arrow a until
they reach a second stage conveyor B. Associated with
the table 6 is an electric counter 8 which, after eight tile
tutes a continuation-impart. In that application there 1s 15 T have lbeendelivered to the second stage conveyor B,
energizes the latter, thereby to advance in the direction
shown and described a cutter dolly which imparts a rolling,
ot' the arrow b lthe lgroup of eight tile endwise to a posi
traveling movement to the tile and, `during such move
tion beneath a cutter dolly C which lowers to cause rollers
ment, the tile is severed into sections. In achieving this
to engage `between the respective tile in such manner as
movement, idler rolls were shown which iit between adja
cent tile and as the cutter ¿dolly advanced, the rollers 20 to separate them one from .the other. When the cutter
dollyv is set in motion to move laterally as indicated by the
pressed against the lback of «the Itile and imparted the roll
arrow c, cutter knives are actuated to extend into the
ing advancing movement. This operated satisfactory to
several tile in such manner that each tile T is severed
a large extent, `but in the event the clay was not of the
into three tiles Ta with an expendable end ring Tb. Thus
right consistency or for other reasons, the rollers in press
ing against the soft tile, Would collapse them »and >not only 25 the knives remain relatively stationary and the severance
render them Iuseless but require costly shutdown of the
entire machine until the damaged or collapsed tile were
removed.
'
is effected by the rolling motion of the tile caused by the
advancing movement of the cutter dolly and by means of
driven rollers, so that the several tile are positively
rotated during the advancing movement of the cutter
and improve the action of the cutter dolly to obviate the 30 dolly C, as will hereinafter more fully appear. ` The
Icutter dolly C advances >until it is disposed above an
damage to the tile regardless of the condition or softness
npender tray D whereupon the dolly raises above the tile
of the clay or tile material.
and then retracts to its original position to repeat the
Another object is to produce simple and efficient means
operation on the next >succeeding group of tile T. The
for driving the tile-engaging rollers of the cutter dolly
so that the desired rolling motion of the tile is insured 35 tile Ta and rings Tb on the upender tray yare then clamped
-at opposite ends >for holding the group of tile in proper
even when the tile is so soft and plastic that any substan
position. Then the upender tray is propelled forwardly
tial pressure against the walls thereof lwould result in
lt is a desideraturn to overcome the above diiliculty
collapse.
in the direction of the arrow d and rocked to a vertical
Other objects and advantages of the invention will
position directly above a lkiln oar E. The end clamping
shown on the accompanying drawings, in which
FIGURE 1 is a diagrammatic plan view in the nature
of a flow chart showing the path traveled by the tile from
the time it is delivered to the machine until it is deposite-d 45
car. In order to make way for the next stack Vof tile,
the `kiln car is indexed |ahead to be in position to receive
the next group in close relation. The cutter dolly C
`alternately stops at an advanced position and in a posi
hereinafter appear, and for purposes of illustration but 40 members are released in such manner that the stacks of
not of limitation, an embodiment of the invention is U tile drop approximately one inch upon the deck of a kiln
in stack formation on a kiln car;
tion slightly rearwardly, this indexing enabling the stacks
FIGURE 2 is a fragmentary elevation showing the
second stage conveyor and in particular the cutter dolly
raised above a row of tile delivered into position beneath
the other stack so that the kiln car can carry a maximum
the dolly;
te»
FIGURE 3 -is a fragmentary elevation similar to that
of FIGURE «2 except that the dolly is in its lowered posi
tion preparatory to its advancing movement for moving
of tile when discharged upon the kiln car to crotch with
load.
l
Full and complete description of the various compo
nents of this machine are not given here vbecause the in
vention in this case is concerned with Ian important change
in the cutter dolly Vand it is therefore believed suñicient
for a full understanding of the invention to make only
the tile in a lateral direction;
FIGURE 4 is »a broken away fragmentary View in ele 55 a detail illustration and description of the cutter dolly.
As above indicated, the lrelatively long tile T are ad
vation of a portion of the cutter dolly showing the mount
vanced endwise by the second stage conveyor B to a posi
ing of one of the cutter knives and one of the tile engag
ing rollers adjacent thereto;
-t-ion ‘beneath the cutter dolly C, the tile abutting against
a stop plate (not shown) so that -they are properly aligned
FIGURE 5 is a sectional View substantially on the line
5_5 of FIGURE 4 showing the man-ner in which the 60 at their ends and thereupon the `stop plate is retracted. It
should be understood that the conveyor B continues to
knife blade is forced through the tile wall;
operate a short period after the stop plate is engaged by
FIGURE 6 is a fragmentary elevational View on an
the tile and then the conveyor B stops. The cutter dolly
enlarged scale showing Vthe manner in which the dolly
comprises a pair of laterally spaced upright side plates
rollers engage the tile and lalso showing the knurled
rollers engaging the rubber covered rail for imparting 65 lll and 1l suitably connected by cross braces l2. The
lower edges of each of the -side plates is formed with scal
positive rotation to the rollers to drive the tile;
lops (FIGURE 6) and connecting the lower ends of the
FIGURE 7 is a vertical sectional view substantially on
respective scallops are free turning, lightweight rollers 13.
the line 7-7 of FIGURE 5 showing particularly the posi
In this instance, each roller 13 is formed substantially
tive means for driving the tile engaging rollers; and
FIGURE 8 is 'a fragmentary sectional view of one of 70 as shown on FIGURE 8 «and is provided with a rubber
covering 16. Fixed in `any suitable manner to opposite
the tile engaging rollers.
’
In the flow chart shown on FIGURE l, a machine is '
ends of each of the rolls 16 is a trunnion or shaft section
l5 which extends through brackets 14 depending from
3,035,469
3
4
the side plates and also through a bearing sleeve 14a
ñxed as by welding to the adjacent `bracket 14. At the
43 which has a piston rod 44 engaging one end of the rail
outer end portion of one of the shaft portions 15 and
rock as the rail is moved to its operative or inoperative
particularly the one projecting outwardly of the side plate
11 (FIGURE 4) is fixed an exteriorly knurled drive roller
17 which is slightly smaller in diameter than that of the
rubber covered roller 13. As will hereinafter appear,
as the cutter dolly advances, the knurled rollers 17 posi~
tively drive the rollers 13 for insuring the proper rolling
40, the piston rod being pivotally mounted so that it can
position. It will be understood that ñuid under pressure
is delivered to one end or the other of the cylinder 43 to
effect the desired movement of the rail and at the proper
time, The rail is shifted into engagement with the knurled
rollers 17 at the outset of the dolly advancing move
ment and is retracted or moved away from the knurled
10 rollers after the advancing movement has been completed
action of the tile T as the latter advances.
and before the dolly retracts to its original position.
The rollers 13 extend from side to side of the dolly sub
As the cutter dolly advances, the tile T are out into
stantially the entire length of the tile T and are arranged
three separate sections Ta of equal length and an expend«
to engage the various tile throughout their length, a roller
able ring Tb. The tile cutter mechanism is carried by the
being disposed to engage a rear portion of each tile when
the dolly is advancing and the spacing being such that while 15 cutter dolly and comprises a plurality of parallel cross
shafts 31, one being disposed between each pair of rollers
at rest, a roller engages the front and also the rear of
each tile in the region slightly below their top surface as
particularly indicated on FIGURES 3 and 6.
The cutter dolly C is mounted for to and fro translatory
movements in a horizontal plane and, as shown, the side 20
plates of the dolly are equipped with spaced guide rollers
13. The shafts 31 have bearing in the side plates 10 and
11 and on the outer side of the side plate 11, each of the
cross shafts 31 has ñxed thereto a vertically disposed arm
32, the upper ends of which are connected by a common
horizontally disposed bar 33. A coil spring 34 places the
bar 33 and associated arm 32 under tension.
18 arranged at the front and rear end portions thereof.
At the opposite end of the several cross shafts 31 and
The rollers 18 engage in horizontally elongate tracks 19
on the outside of the dolly plate 10 is a depending arm 35
arranged on opposite sides of the cutter dolly and carried
by an elongate guide frame 20. The frame 20 has up and 25 which has a roller 36 at its outer end engageable with a'.
cam track 37. The coil spring 34 urges the roller 36
down movement guided by suitable rollers which traverse
into engagement with the cam track 37.v Mounted on
suitable vertical pads (not shown) on the supporting
each of the cross shafts 31 are three spaced knife blades 38
frame.
carried by holders 39 fixed to the respective shafts 31 at
For raising and lowering the guide frame 20, a rock
arm 21 is disposed at opposite ends of the frame (only 30 predetermined positions, enabling three sections Ta of
equal length and the expendable ring Tb to be cut.l
one being shown on the drawings) and extends upwardly
As the cutter dolly advances, the cam follower or roller'
therefrom. The lower end of each rock arm is secured
to a cross shaft 22 to which are fixed downwardly inclined
arms 23 to the lower ends of which is ñxed a transverse
36 for the several cross shafts engages the cam track 37
which is designed to impart rocking movement tothe
rod 24 having rollers 25. The rollers 25 engage in a 35 knives, and cause them to enter the walls of the several til‘e
T. As above pointed out, the several rollers 13 are posi-j
horizontal guide track 26 so that by rocking the arms 21
tively driven or rotated by engagement between the knurled
in one direction or the other, the guide frame 20 is raised
rollers 17 and the rubber strip 42 on the rail 40. Sinëë thel
or lowered. The rock arms 21 are connected for con
several rollers 13 are positively rotated and bear against
joint operation and are operated by a piston and cylinder
arrangement under fluid pressure (not shown on the draw 40 the tile T, the latter is positively rotated as the cutterdolly advances. Tile cutting takes place in response to the
ings). Suflice it to say that such hydraulic or ñuid pres
action of the cam follower roller 36 riding along the track
sure means operates in timed relation to effect the desired
37. After cutting has taken place, the knives 38 are
movement.
retracted when the follower roller 36 rides over the proper
It will be understood that normally the guide frame 20 iS
in its raised position so that the cutter dolly is disposed 45 portion of the cam track.
Thus it will be apparent that positive rolling of the tile
above the tile T, which are advanced to positions there
is effected by the rollers 13 and under pressure of these
beneath by the second stage conveyor B. However, when
rollers, the tile is annealed or relieved of strains which are
the tile engages the stop plate as above mentioned, a limit
inherent in compacted tile extruded under very high presJ
switch (not shown) is actuated and energizes after a slight
delay sufficient to align the tile ends, a suitable solenoid 50 sure by the conventional auger-type tile machine. Roli4
ing of the tile as above described causes the tile to be
valve (not shown) to admit liquid under pressure from
straight and true cylindrically when discharged from the
any suitable source. This operates to lower the cutter
machine and this obviates a difficulty not infrequently eni
dolly and move the several rollers 13 into engagement
countered in the customary handling of tile.
with the tile causing the latter to separate slightly from
each other, a cam-like action resulting so that the tile 55
A cardinal feature of this invention resides in the positive
are shifted out of contact with each other.
driving of the several rollers 13 as the cutter dolly is ad
Mounted on the dolly frame are laterally spaced
vanced. This insures that proper rolling aétion is im
brackets 27 to which the forward end of a piston rod 28
parted to the tile and militates against damage to` the' rela=
is connected. The piston rod 28 has a piston operating
tively soft tile. Some difficulty has been experienced in
in a cylinder 29 carried by longitudinally spaced brackets 60 the operation of the machine where the rollers 13 were`
30 on the guide frame 20. When the cutter dolly has
not positively driven and at certain times tile were
damaged by the pressure imposed by the rollers 13 against
reached its low position in contact with the tile, a limit
the walls of the tile. However, by insuring the desired ro
switch (not shown) is tripped to cause a solenoid Valve
tation of the rolls 13, this trouble and diñiculty have been
(not shown) to admit liquid under pressure to the cylinder
29 for extending the piston rod 28 and thus moving the 65 obviated, and proper rolling of the tile is effected, thereby
dolly to the left of FIGURES 2 and 3. The cutter dolly
insuring proper severance and eliminating the liability of
moves in a gradual acceleration manner and then slows
damage to the tile heretofore encountered.
Numerous changes in details of construction and ar
down at the end of its travel, this being controlled by suit
rangement may be effected without departing from the
able ilow control valves (not shown).
As the cutter dolly advances, a horizontally disposed 70 spirit of the invention, especially as defined in the ap
rail 40, which is suspended by links 41 from the guide
frame 20 is rocked downwardly so that a rubber liner 42,
which extends from end to end of the underside of the rail
is brought into contact with the several knurled rollers 17.
pended claims.
What we claim is:
1. In a machine of the class described, a cutter dolly
adapted to be disposed above a group of relatively long
The rail 40 is rocked by the action of an hydraulic cylinder 75 semi-plastic tile to be severed into lengths and arranged
3,035,469
5
6
in parallel relation, a plurality of rollers on said dolly
arranged in spaced parallel relation, means to lower the
dolly so that the rollers are disposed between adjacent
tile respectively and in position to bear against the tile
adapted to be disposed above a group of relatively long
semi-plastic tile to be severed into lengths and arranged in
parallel relation, 'an assembly of rollers in spaced parallel
arrangement carried by said dolly, means to lower the
assembly to bring said rollers into engagement with the
upper surfaces of the tile, means for horizontally shift
ing said dolly transversely of the axes of the tile, positive
means for driving said rollers during the shifting move
ment of said dolly to effect rolling motion of the tile,
directly in front throughout the length thereof, means
for horizontally shifting the dolly, a drive roll fixed to
each roller, a relatively stationary rail with respect to said
dolly having an anti-friction covering on one side, means
to cause contact between the rail and rolls as the dolly
shifts thereby positively to drive the rollers, a series of 10 and knife means associated with said dolly to sever the
knives on the dolly disposed between each pair of adja
tile into predetermined lengths during the shifting move
ment of said dolly.
cent rollers, and means operable during the shifting move
ment of the dolly to cause the several knives to pene
trate the walls of the tile and remain relatively stationary
until a complete revolution of the tile has been made
thereby to effect severance of the tile into predetermined
lengths.
2. In a machine of the class described, a cutter dolly
4. The invention defined in claim 2 wherein said means
for rotating said rollers comprises a relatively stationary
rail with respect to said dolly, la drive roller connected to
each of said first mentioned rollers, and means to move
said rail and said drive rollers into frictional engagement
whereby as lthe dolly 4shifts horizontally the frictional en
gagement between said rail »and said drive rollers imparts
adapted to be disposed above a group of relatively long
semiplastic tile to be severed into lengths and arranged 20 rotary movement to said first mentioned rollers.
5. The invention delined in claim 4 wherein a rubber
in parallel relation, an assembly of rollers in spaced par
covering is provided on the surface of the rail adapted
allel arrangement carried by said dolly, means to lower the
for contact with drive rollers and said drive rollers are
assembly to bring said rollers into engagement with the
knurled on the surface thereof adapted to engage said rub
upper surfaces of the tile, means for horizontally shifting
said dolly transversely of the axes of the tile, means for 25 ber covering.
rotating said rollers during the shifting movement of said
References Cited in the file of this patent
dolly whereby to urge the tile into rolling motion, and
UNITED STATES PATENTS
cutter means carried by said dolly and urged into cutting
engagement with the tile by the shifting movement of said
913,620
Connor _____________ __ Feb. 23, 1909
dolly to sever the tile into predetermined lengths.
Connor ______________ __ Dec. 8, 1914
30 1,120,134
3. In a machine of the class described, a cutter dolly
1,852,831
Young ________________ -_ Apr. 5, 1932
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