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Патент USA US2412137

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Dec. 3, 1946.
Filed Jan. 17, 1944
aw .
3 Sheets-Sheet _1
Dec. 3, 1946;
Filed Jan. 17, 1944
Sheets-Sheet 2
Dec. 3, 1946.
cnowu CAP CONVEYING sys'nm
Filed Jan. 17', 1944
3 Sheets-Sheet 3
Patented Dec. 3, 1946
l -
' 'caown carcomrmc'srsrm
Continental Can company, Inc., New York,
N. Y, a corporation of New York
Application January 11; 1944, Serial No. 518,572
(or. Isa-2o)
This invention relates to mechanism for con
hopper or receptacle, and mechanism for con
trolling the feeding of work articles and more
particularly to mechanism for automatically ap
portioning thefeeding of work articlesto the
trolling the passage of articles overthe‘dividing
, way
e 3 is a section on the line 3-3 of Fig
individual machines of groups or batteries of ma 5. ure 2.
chines adapted to perform similar and/or suc
_ Figure 4 is an end elevation of the hopper or
cessive operations on the articles. Mechanism
receptacle and associated control mechanism as
embodying the invention is especially adaptedfor
viewed from the left of Figure‘3. use in the making of crown caps but may be
Figure 5 is an enlarged scale fragmentary sec
used in connection with other manufacturing op‘
tion on the line 5-5 of Figure 2 showing a
‘switch and operating cam forming part of the
An object of the invention is to provide an '
- control mechanism.
Figure 6 is a'wiring diagram.
improved arrangement of a plurality of ma- -
chines for performing similar operations on work
articles in ‘combination with means for convey
ing articles to the machines and automatic con;
trol mechanism for so apportioning the feeding
of articles from the conveying means to the re
spective machines as to insure that each machine
The illustrative embodiment of the invention
shown diagrammatically in Figures 1 and 1‘ in
cludes a machine group A including a press 'A1
for forming crown cap blanks from ?at sheet
Formed blanks‘ are delivered by an
elevating conveyor A2 to a horizontal travelling
' will always be furnished with an adequate sup 20 feeding conveyor B. Three similar machines C1,
ply of articles to be worked upon.
C’,‘and C3 for inserting cork discs in the press
Another object of the invention is to provide
equipment of the character referred to which is
especially adapted for use in the manufacturing
" cap blanks are deployed along the conveyor B
and are equipped respectively with hoppers or
receptacles D, D’, D3 for containing supplies of
25 cap blanks in which the cork discs are to be in
A further object of the invention is to pro
' serted by the associated machines Cl, C’, and C3.
vide mechanism responsive to piling up of work
Pressed blanks are delivered from the conveyor
articles in a receptacle for operating a de?ec
.3 to the hoppers D1, D’, D3 respectively over di
tor gate to discontinue delivery of articles from
viding ways of passage E1, E", and E3. Mecha
a travelling conveyor to the receptacle while the 30. nism to be described later automatically con
conveyor continues to run.
trols the ?ow of cap blanks over thevdividing
Other objects of the invention will become ap
ways in accordance with the size of the supply
parent from a reading of the following-detailed
of blanks in-the respectively associated recep
description of a representative embodiment of
tacles or hoppers. Cap blanks and cork discs
the invention, the appended claims, and the ac 35 assembled by the machines C1, C’, and C3 are
companying drawings.
In the drawings:
deposited respectively upon conveyors F1, F2, and
F3 which discharge onto conveyors G1, G’, and
Figure 1 is a diagrammatic plan view show
G3 which in turn deliver the assemblies to a
ing a preferred arrangement of a primary ma
single inclined elevating conveyor H. Any sur
chine for preparing articles, such as cross cap 40 plus cap blanks which are carried by the con
blanks, three machines for performing similar
veyor B past all three cork disc inserting ma-~
subsequent operation on the articles such as in
chines are de?ected laterally by a ba?le I so as to
serting cork discs in cap blanks, and mechanism
fall into a surplus receiving receptacle or chute J.
for conveying articles from the primary machine
The assembled cap blanks and cork discs are
to the other three machines and then away from 45 discharged from- the elevating conveyor H to a
said other three machines.
horizontal feeding conveyor K along which are
Figure 1a is a diagrammatic plan view show
deployed three similar machines L1, L2, and L3
ing a preferred arrangement of three additional
adapted to insert paper discs in the cap blanks
machines for performing further similar opera
and glue them in place on the cork discs. The
tions on the articles, such as inserting paper discs 50 machines L1, L2, and L3 are provided respectively
in assembled caps and cork discs, and mechanism
with hoppers or receptacles M1, M1, and M3 adapt
for conveying articles from the [three machines
ed to hold a supply of assembled caps and cork
shown in Figure 1 to said additional machines
discs so as to provide for continuous feeding of
and then away from them. It is intended that
such assemblies into the paper disc inserting ma
Figure lEL be read as a continuation of Figure 1, v. chines. Automatic mechanism to he described
as though the two figures were joined along the
later controls the flow of cap and cork disc as
semblies from the feeding conveyor K over di
viding ways N1, N’, and N3 respectively to the
hoppers M1, M’, M“. Caps ?tted with the paper
for transporting articles from the conveyor to the 60 discs by the machines L1, L’, and L3 are carried
line H.
Figure2 is a top plan view of a feeding con- veyor, a hopper or receptacle, a dividing way
under pressure is admitted to the cylinder it. A
spring I! connected under tension between the
in turn deliver the completed caps to a receiving
box Q. Surplus‘ assemblies of caps and cork discs
rock'the gate to the position shown in full lines.
that is the position'in which it does not de?ect
' which the conveyor K carries past all three ma
chines L1, L1, and L’ are de?ected laterally by an
articles to the dividing way E1. Admission of
inclined baiile B so as to fall into a surplus receiv
ing receptacle or chute S.
ward the right as viewed in Figure 2, when fluid
on‘ respectively by conveyors O1. 0', and O" which
discharge'upon conveyors P‘. P‘, and P‘ which
1 ?uidunder pressure to the cylinder’ I 2 is con
trolled by electrically operated valve mechanism
In its general nature the mechanism for, auto
matically controlling the .‘delivery of articles to 10 ii. The cylinder l2 and valve mechanism ii
are not shown in detail since they may be of any
the'receptacles D‘, D’, D: and M1, M’, M‘
sponsive to the quantities of articles in the recep
. suitable or conventional construction.
tacles for determining whether\ the articles
. tors l8 and I‘! lead to the mechanism it and are
included in an electric circuit, the controlling of
carried by the feeding conveyors are diverted to
the machines or are‘ passed on to succeeding ma
16 which is described hereinafter.
when less than the predetermined supply of
chines. The mechanism operates to e?ect de
livery of articles to a given receptacle when the
supply therein is at a predetermined minimum
articles is in the receptacle D1 the electricalcir- '
the supply in the receptacle D2 is at or below the
dividing way E‘. In the form shown a horizon
cuit will be completed throughv the conductors
l6 and I1 so that the valve mechanism I! will
and to discontinue the delivery as soon as the
supply builds up to a predetermined maximum. 20 admitpressure into the cylinder I! to force the
rod‘ Ii outwardly and swing the gate ‘I to the
Thus, considering the 'cork disc inserting ma
diverting position shown in dash ‘lines in Figure
chine C1, when the supply of cap blanks in the
2. Novel control mechanism is responsive to the
receptacle D1 decreases to a predetermined min
piling up of articles in the receptacle D1 for
imum, cap blanks'carried by the conveyor 13 are
de?ected so as to flow over the dividing way El 25 breaking the circuit through the conductors
|6—|'| and the valve mechanism ii for reliev
. into the receptacle D1. When the supply in the
ing the pressure in the cylinder 12 and enabling
receptacle D1‘ is raised to the predetermined
the spring I! to contract and swing the gate 1
maximum the control mechanism operates to
back to its full line position so as to permit arti
permit the cap blanks to be carried by the con
veyor B past the dividing way E1. Assuming that 30 cles to be carried by the conveyor B past the
tally disposed shaft i8 is mounted by standards
i9 and 20 carried by the receptacle D1. An op
will operate to divert ‘cap blanks over the divid
erating member generally designated 2| is pivot
ing way 1322 into the receptacle D’. The supply
ing of articles to the receptacles D’, L‘, IF, and I.‘3 35 ally' mounted by the shaft l8, and depends into
predetermined minimum, the control mechanism
is controlled similarly so as to insure that all of
the hoppers or receptacles will be fed from time .
to time and will not become empty.
vthe receptacle D1 so as to extend transversely to
the direction of feeding of articles from the divid
ing way E1 to the receptacle. The operating
Figures 2 to '6 inclusive show a preferred form '
member 2| comprises spaced hangers 22-22
The conveyor B is carried by a frame I to
or below a predetermined minimum.
of mechanism for controlling the diverting of 40 clamped to the shaft I 8 as at 23-43 and a plate
2! secured to the hangers as at 2.5. The lower
articles to the dividing ways. The mechanism
portion 26 of the plate 24 is inclined downwardly
associated with each of the dividing ways E1, E1,
and toward the lower or dischargeiend of the
E3, and N1, N‘, W is 'the same so that a descrip
dividing way E1.
tion of the- controlling mechanism associated
The operating member 2| will be substantially
with the dividing way E1 will serve also as a de
,in the normal position shown in Figure 3 when
scription of the mechanism associated with each
the supply of articles in the receptacle D1 is at
of the other dividing ways.
' which the upper end of the dividing way E1 is
secured as at 2. The lower end of the dividing .
When ar
ticles discharged, by the dividing way lil1 pile
up in the receptacle D1 to a predetermined maxi
mum amount, they will pile or crowd against the
way E1 is supported upon thereceptacle D1 by
operating member 2! so as to swing it clockwise
brackets 3. The dividing way E1 is inclined
as viewed in Figure 3. The provision or the in
downwardly from the conveyor B to the recep
clined lower plate portion 26 insures that the
tacle D1 so that articles de?ected into the divid
ing way will slide into the receptacle.
55 member 2i will be swung to operating position in
response to the predetermined piling of arti
A bracket 4 secured to the conveyor frame I
cles within the receptacle D1 without being held
is formed with an oil'set and upwardly project
back by articles which may have passed under
ing bearing sleeve 5 which pivotally' mounts the
the member 2| before being piled up and into
.pintle 6 of a de?ecting gate member 1 adapted
to be moved to the ineifective position shown in 60 contact with the member 2 l.
Swinging of the operating member II in re
full lines in Figure 2 for permitting articles to
sponse to piling up of articles is utilized for open
be carried by the conveyor B .past the dividing
ing the electric circuit which energizes the valve
way E1 or to be moved to the effective position
mechanism II. To this end a cam 2l'formed
shown in dash lines for de?ecting articles from
with a low part 28 and a rise 29 is secured to the
the conveyor B to the dividing way E1. A collar
shaft i8 for cooperation with the plunger 30 of
8 secured to the upper end of the pintle 6 rests
a micro switch it mounted on a bracket 32 in
upon the top of the sleeve 5 for supporting the
tegral with the standard I9. The switch 3| is
gate ‘I and holding it spaced a little above the
adapted to be closed when the plunger 30 is ex
conveyor B.
Mechanism for actuating or swinging the gate 70 tended as shown in Figure 5 wherein the cam 21
is illustrated as occupying a position correspond
_ ‘I selectively to its two positions referred to above
ing to the position of the operating member 2|
includes an arm 9 fast with the gate. The arm
shown in Figure 3. when the operating member
81s connected through a. link ill to a rod I I which
2i is swung in response to piling of articles in
extends into a ?uid pressure cylinder i2 and is
adapted to be projected outwardly, that is to 76 the receptacle D1 the cam rise 29 presses the
time. When the supply of articles in- the re
ceptacle D1 is at the predetermined maximum,
the associated gate 1 will be moved to non-divert
Current for energizing the valve mechanism I5
ing position so as to discontinue delivery of
under control of the switch 3| is' furnished by a
articles over the dividing way" E1 without stopping
supply line including conductors 33 and 34 shown
the feeding conveyor B. If the machine C1 should
in Figure 6. The conductor I 6 previously referred
break down ‘the built-up supply of articles in
to leads from the conductor 33 to the valve mech
the receptacle D1 will automatically e?ect‘dis
anism i5, and the conductor l1 leads from the
continuing ofthe delivery of articles over the di
valve mechanism I5 through the switch 3| to a
conductor 35 which leads through a cutout switch 10 viding way E1 so that the articles'will not build up
and over?ow the receptacle D1 but will be carried
36 to the supply line conductor 34. It will be‘ ap
past the machine C1 to the machines C2 and C3.v
parent that when the supply 01’ articles in the
- Production of the machines C2 and C3 can con
receptacle D! is at or below a predetermined mini
tinue while the machine C1 is being repaired. If
mum the operating member 2| will be in the po
sition shown in Figure 3, the .cam 21 will be in 15 repairs can be e?ected within a reasonably short
time the machines L1, L2, and L3 will not become
the position shown in Figure 5, and the switch‘
starved for work articles because the supply of
3| will be closed, so that the valve mechanism
articles already in the receptacles M1, M3, and
i5 will be connected across the line 33—34 by
M3 will serve as a cushion for the associated ma
means of the conductors l3 and II, the switch
3|, the conductor .35 and the switch 38. When, 2,0 chines to draw upon.
The mechanism shown by way of illustration
however, the articles pile up in the receptacle
embodies the invention in the form now preferred
D1 to a predetermined maximum, causing the op
but it will be understood that changes may be
erating member 2| to be swung clockwise from
made without departing from the invention as
the position shown inFigure 3, the switch 3|
switch plunger 30 inwardly to break the electri
cal circuit.
will be opened so as to deenergize the valve mech 25 de?ned in the claims.
I claim:
anism l5 and permit the spring l3 to move the
1. In automatic control mechanism for article
gate ‘I away from its article diverting position so
conveyors the combination of a conveyor having
as to discontinue delivery of articles over the di
viding way E1 to the reception D1.
a dividing way of passage; a receptacle for re
When the supply or articles in the receptacle 30 ceiving articles from said dividing way; a de
D1 is lessened to the predetermined minimum the "?ector gate; means mounting said gate to be
moved selectively to an effective position for de
operating member 2| will swing back to the po
?ecting articles from said conveyor to said divid
sition shown in Figure 3 so as to relieve‘ the
ing way or to an ineffective position in which it ‘
plunger 30 and e?ect closing of the switch 3|
does not de?ect the articles to said dividing way;
and energizing oi’ the valve mechanism It. This
spring means urging said gate to one of said
will cause ?uid under pressure to be admitted to
positions; ?uid pressure operated means for mov
the cylinder I! to project the rod | | outwardly
ing said gate to the other of said positions; elec- and swing the gate ‘I back to its article diverting
position. Supplying or articles over the dividing ' trical means for controlling the operation of said (5
way E1 to the receptacle D1 will then be resumed. 40 ?uid pressure operated means; a shaft; a plate
secured to said shaft; means pivoting said shaft
As previously stated the mechanism for con
and plate to swing about a substantially horizon
trolling the diverting of articles Over the dividing
tal axis with the plate depending into said re
ways E3, E3, L1, L’, and I.3 is the same as the ' ceptacle
whereby said plate is adapted to be
mechanism for controlling the ?ow or articles over
by articles piled up in saidreceptacle; a
the dividing way E1. Figure 6 shows diagram 45 swung
cam on said shaft; and a switch operable by said
matically the electrical connections associated
cam for controlling said electrical means.
with the control mechanism for the dividing ways
2. In automatic control mechanism for article
E1, E's‘, and E3. Similar electrical connections are ‘ conveyors
the combination or a conveyor having
provided for the control mechanism associated
a dividing way of passage; a de?ector gate; means
with the dividing ways N. N’, and N’.
mounting saidggate to be moved selectively to an
The capacity or the press A1 is greater than
effective position for de?ectingsarticles from said
the combined capacities of each group 01' ma
conveyor to said dividing way or to an ineiIective
chines C1, C". C3, and L1, L1, and 11'. In a pre
in which it does not'de?ect-the articles to
ferred arrangement for use in the manufacturing
said dividing way; spring means urging said gate
01’ crown caps, the ‘press A1 has a capacity or
to one 01' said positions; ?uid pressure operated
production rate of 1600 cap blanks per minute and ' means for moving said gate to the other of said
each or the machines Cl, C’. C’, and U, L’, and IP
positions; electrical means forv controlling the
has a capacity of 533 caps per minute. Thus,
operation of said ?uid pressure operated means; a
plate having an inclined bottom portion; means
quate supply of work articles will be maintained 60 pivoting said plate to swing about a substantially
in the hoppers or receptacles in readiness to be
horizontal axis and to depend into said receptacle,
received and worked upon by each of the ma
the inclination of said plate bottom portion be
. chines C‘, C", C3 and U, L’, I). I! any one of
ing downwardly and towards‘ the point of dis
the machines should be disabled the others will
charge of articles from said dividing way into said
continue to operate so that it will not be neces
receptacle whereby said plate is adapted to be
when all 01' the machines are operating an ade
sary tov shut down the whole production line.
This advantage is obtained by controlling the
diverting or articles iron: the conveyors B and K
to the several dividing ways in response to the
amounts or articles in the receptacles and with
‘ out stopping the feed conveyors 1B and K at any
‘swung by articles piled up in said receptacle; a
cam movable in’ response to such swinging or
' said plate; and a switch operable by said cam for
controlling said electrical means.
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