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Патент USA US2408600

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Oct. -l, 1946.
'
E. H. BENNETT
2,408,599
ARTICLE TRANSFER MEcHANïsM
Filed June 5, 1945
5 Sheets-Sheet 1
45
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"IA VIVI
BENNETT
SWIG: W
0d. 1, 1946.
E. H. BENNETT '
2,408,599
, ARTICLE TRANSFER' MECHANISM.
Filed June 5, 1945
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5‘ sheèts-sheet 2
09,1;1946.
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¿5, H. BENNETT
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2,498,599
I `ARTICLE TRANSFER MECHANISM
Filed June 5, 1945
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Eli BENNETT
Oct. l, 1946.
E. H. BENNETT'
2,408,599
ARTICLE TRANSFER MECHANIS'M
Filed June 5L 1945 ,
5 Sheets-Sheet 4
, 15%
w04.
72
ì gri/oowk»
- vOdi» l, 1946.
E. H. BENNETT
_
ARTICLE TRAÑSFER MECHANISM
' FiledJune 5, 1945
2,408,599 '
_
5 sheets-sheet 5
"Patented Oct. 1, 1946
l 2,498,599
UNITED STATES PATENTQGFFICE
2,408,5@29 `
'
v ARTICLE'TRANSFEn MEÖHANISM Ã
Edward H. Bennett,` Toledo,¿Öh(io, 'assignon `to I
Owens-Illinois Glass Company, a corporation ,
of Ohio
Application June 5, 1945§~Ser1al No. 597;.687'» ‘ »Y
9 claims. (clima-_210i>l
Y
-
.1
_
„
.
.
. .
transfer units showing cam-operated means for
rotating and for. lifting and lowering the'transfer
anism` including article-transfer arms orunits
mounted ona rotating carriage and adapted toA
take articles or workpieces from a predetermined
position adjacent to the carriage, transfer'them
to a posîtionon .the carriage and, after certain
operations on the workpieces, transfer them from
the carriage to'a travelingconveyor or other
Y
2
Figl 6 is a part-sectional plan view of adjacent
other.. The invention provides automatic mech
'
,
taker‘at theline 5--5 on Fig. 4.
ferring articles from one position to another or
from one moving apparatus vor machine to an
receiving means.
,
,comparativelyv .larger scale, the section being
My invention relates to mechanism for trans
arms.
f
-
»
,
»
`
Fig. '7 is a diagrammatic plan view'showing the
transfer units and their operating cams.>
¿„
Referring to Fig. 1, the Varticle-transfer units
are mounted on a burn-off machinecomprising
a stationary framework I0 andy a carriage Il
mounted for horizontal rotation about a station
’
ary vertical centerjcolumnl I2, the carriage be
ing supported on ball- bearings I3. Means »for
The invention in theform herein illustrated
comprises article-transfer units combinedwith
rotating the y»carriage continuously includes -a
and forming part of automatic mechanism .` for '
manufacturing hollow glass articles such as tum
blers, jars, and the like. Such mechanisml in
cludes a blowing machine having a rotating car
riage with an annular series of blowpipes or spin
dles thereon by means of which individual £20
charges of glass' are vblown to hollow form,-and
drivingV gear Id ,bolted‘to the carriage and-con
nected'through suitablegearing with‘an electric
motor (not shown). The carriage has mounted
thereon an annular series of burn-off units each
comprising a ring burner I5.
-‘ ¿
' Workpieces I6, herein shown as tumblers, are
`blown on afglass blowing machine indicated di
agrammatically at I1 (Figs. 3 and 7). The blow
prises a carriage with burners thereon by vwhich
ing machine comprises an annular series of blow
the blown articles are severed from thev waste
ing spindles or units IB r(lïl‘igs. 1 and’ï) bywhich
glass ormoil.
" f
'
'“ 25
gcbs or` charges ~of 1 glass carried -thereonH are
An object of the present invention is to provide
'blown toV form vthe twmblersv I6. Each spindle
a novel and practical mechanism for transfer
includes a pair of jaws I9 which'are opened auto
a separate “burn-off” machine.
The latter com
ring the blown articles’ to and from the burn-off
machine, such mechanism comprising 'transfer
arms mounted4 on the burn-off machine and oper
able automatically to_ take the articles lfromthe
blowing machine, place them on the ,burn-oil'
machine Vand after the burn-‘off operationkagain
pick upthe articlesand transfer themy to a con-î
veyor
orthe
like.
»
‘
-
Otherobjects of the invention
inafter.
_
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.
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appear 'here-z Y
„
.
' Referringto the accompanying drawingsr n
Figi is a part-sectional elevation vof a burn
off machine with the
article-transfer ` units
mounted thereoin; parts >of the machine being
broken
Fig. lA
away.¿fV
is a fragmentary
n Í
Y
View
` in'sectional'ele
, -` I.
Y
vation. at the line 1A-,1A on Fig. 1, showing‘cams
for lifting and lowering the transfer arms.
¿
y Fig. 2 is a >fragmentary sectional _elevationon
'
matically ‘to release the workpiece comprising
the tumblerwith the .moil 20 of waste glass by
which the tumbler is connected to the spindle.
When the workpiece is released from the spin
dle I8; it is transferredby a transfer unit, com
prising a‘tr'ansfer arm12l, toa holder .22 cna
.vertical stem 23. The holder 22 isthenmoved
upward vertically to carry the workpiecer into
thev ring burner"'-I5. I >A vset of gripping jaws 24
then `grips vthe workpiece and'holds it while the
burner severs the moil, leaving thetumbler I6 on
vthe holder 22. (.The holder with thetumbler
thereon is then lowered, after which the transfer
arm 2I operates to pick up the tumbler and trans
fer it to a belt -conveyor 25 (Fig. "7).` by which it is
'carried'. into an annealing lehr 26;' The means
forï'lifting' -andi-lowering the'holder 22 with'the
a larger> scale than‘Fig. f1, showingparticularly
workpiece thereon comprises a rock arm 21 'con
riected to a‘rock shaft 28 to which is also con-nected a 4rock Yarm £19 with a- cam 'follower'roll'
a transfer unitY including the transfer arm and
running on a stationary cam 30.
operating mechanism therefor.
'
,
`
Fig. 3 is a part-sectionalplan view substantially
at the line 3*--3- on Fig.l 1. -,
'
»
~« Y
. Fig. 4 is a fragmentary elevational view show
ing portions of adjacent transfer units.- '
e
'
‘
`
` The' >article-transfer units, -each comprising :a
transfer ‘arm 2 I, are mounted on the carriage Ily
of the burn-off machine adjacent to the .burner
units, there` being 4one transfer- unit'for. each
burnerunit.,> Each transfer arm 2| `comprises a
Fig. A5 is a fragmentary sectional plan view on'v a 55 vertical section> and an ¿integral horizontal arm
2,408,599
3
4
3| at the lower end thereof. The arm 3| is at
tached to the upper end of a vertical rock shaft
32. The transfer arm carries at its upper end
opening in a lug 63 on the rack bar, thus serving
an article-holding cup 33 which comprises a
pair of arc-shaped jaws formed integral with a
pair of arms 34 and 35 (Fig. 3) mounted to swing
about pivots 36 in the upper end of the arm 2|,
for opening and closing the cup. The rock shaft
as a guide and holding the rack bar against ro
tative movement. The coil compression spring
63 provides a yielding driving connection which
serves as a safety means, so that in the event of
any obstruction hindering the downward move
ment of the transfer arm,v the slide 5| can con
32 is mounted for up-and-down movement and
tinue its movement under the control of the cam.
The spring 63 also permits adjustment of the
also for rotation about its axis, for lifting and
lower stop position of the transfer arm inde
lowering the cup 33 and for swinging it horizon
pendently of its driving cam.
tally for transferring articles as hereinafter de
Each transfer unit includes mechanism for
scribed. The shaft 32 extends through a .vertical
opening and closing the cup sections 33. Such
tubular shaft 31 which is mounted for rotation
mechanism comprises cams 33 and 33 mounted on
in a cylindrical casing 38 forming part of the 15 a block 18 adjustable up and down in a »slideway
carriage | I. The shafts 32 and 31 are formed with
1| on the carriage. Means for adjusting the cams
vertical ribs providing a driving connection
up and down includes an adjusting rod 12 jour
therebetween while permitting vertical move
naled in a bearing sleeve 13 between collars 14 on
ment of the shaft 32.
the rod, the latter having a screw-threaded con
nection with the block 18. The cams 88 and 69
Referring to Fig. 1, the machine _includes a
are also individually adjustable rotatively about
the axis ofthe shaft 32 and held in adjusted posi
tion by screw bolts 18’ extending through elon
rotative movements of the .shafts 32. The cam
>43 operates a slide bar 44 (Figs. l, lA, 2, and 6)
gated slots in the block 10. Driving connections
mounted to reciprocate radially of the carriage in 25 between the jaws 33 and their operating cams
stationary cam drum 40 on which are mounted
cams 4l, 42, and 43 controlling the vertical and
guideways formed in an arm 45. The slide bar
carries a pinion 4G which runs in mesh with a
rack bar 41 connected through a rod 48 to a rack
bar 49 which runs in mesh with a pinion 53 keyed
include a cam follower roll 15 on a rock arm 16
mounted to rock >on
15 is connected by
on the lower end of
to the lower end of the shaft 31. The pinion 46 30 ried on the arm 2|.
also runs'on a rack 45a (Fig. 6) which is held in
end of the shaft 19,
the arm 34.
ñXed position on the carriage. There is thus pro
vided a yspeed multiplying drive between the slide
The cams 68 and
the shaft 32. The rock arm
a link 11 to a rock arm 18
a vertical rock Ishaft 18 car
A rock arm 8|! on the upper
is connected by a link 3| to
69 are operable through the
bar 44 and the rack bar 48. The cam 43 operates
linkage just described to swing the arm 34 about
through the gearing just described to rotate the 35 its pivot 36 for opening the jaws 33. Intermesh
shaft 32, the cam 43 `being shaped and designed
ing gear segments 82 (Fig. 3) are keyed to the
to »impart the desired rotative movements to the
pivot shafts 36 so that the jaws 33 are connected
shaft as hereinafter set forth.
for simultaneous swinging movement. The jaws
The transfer arms are adapted to operate in
33 are swung to closed position by' a coil tension
pairs when taking articles off the forming ma 40 spring 84 anchored at its opposite ends to the
chine |1 as indicated in Fig. 7, but operate singly
rock arm 18 (Fig. 2) and the arm 3|.
and in succession when transferring the articles
Referring to Figs. 3 and '7, it will be seen that
to the belt conveyor. In korder to effect such op
the transfer cups 33v travel in a path such that
erations, separate cams 4| and 42 are provided,
two of the cups are in vertical alignment with a
each controlling the vertical movement of the
pair of spindles i8 at one time for receiving work
shafts 32 of alternate transfer units. The cam 4|
pieces released simultaneously from the two spin
operates slide bars 5| each carrying a cam roll
dles. This adapts the transfer mechanism for
52 running on the cam, the slide bar being mount
use vwith a glass blowing machine which releases
ed for movement radially of the machine. A rod
the workpieces in pairs. In order to obtain this
53 (Fig. 2)- extending- in line with the slide bar 50 operation of the `transfer arms, and also permit
5|, is slidably connected with said bar by means
them to transfer the workpieces singly and in suc
of a lug 54 having an opening through which the
cession, the separate cams 4| and 42 (Figs. 1, 1A)
inner end portion of the rod extends. A rack
are provided for lifting the transfer cups so that
bar 55 is mounted on the rod 53, and is adjustable
two of said cups, one in advance of the other, may
thereon by means of adjusting nuts 55’. The 55 be lifted simultaneously by their respective-cams
rack runs in mesh with a pinion 53 keyed to a
into position for receiving the two workpieces as
shaft .51 journaled in an arm 58 on the carriage
the latter are simultaneously released from the
||. A rock arm 53 keyed to the shaft 51 and
spindles I8. The slide bars 5| (Figs. 1 andY 1A)
extending forwardly therefrom has a bifurcated
operated by the cam 4| alternate with rack bars
end 60 (Figs. 2 and 6) connected through a pair 60 5|' operated by the cam 42. Referring to Fig. v’7,
of links 8|' to a head 62 attached to the lower
it will beseen that the cam 42 has a lifting sec
end of the shaft 32.
tion 42a in advance of the lifting _section 4|@ of
A coil spring 63 mounted on the rod 53 is held
the cam 4| so that the transfer cups are lifted in
under compression .between the lug 54 vand the
pairs.
.
rack bar 55 and provides a yielding driving con 65
The operation of the transfer mechanism is as
nection between the slide >bar 5| vand the rack
follows:
bar. When the slide bar 5| is moved outwardly
As the burn-off machine and the blowing ma
by its cam, it operates through the spring 63 to
chine |1 rotate in the directions indicated by the
drive the rack bar and the pinion 53, thereby
arrows (Fig. '7), the transfer arms are swung
swinging the arm 5S downwardly and lowering the 70 outward by the stationary cam 43 to bring the
transfer cups 33 beneath and in- vertical align
transfer arm.V This outward movement of the
rack bar is limited by a stop nut 64 on a stop
ment with the blowing spindles |8 and the work
rod 6.5 attached» to the carriage. The stop nut
pieces I6 held thereby. The two transfer cups
in register with a pair of the spindles are then
is adjustable to limit the outward movement of
the rack bar. The rod 85 extends through an 75 lifted simultaneously by their respective cams4|
2,408, 5 99
5
,
and 42 s'othat they'embrace-the workpiecesv I6.
The sp-indle jaws I8 (Fig. l) are now swung
open, thus releasing the workpieces to the trans
fer arms. The two transfer arms are then swung
inwardly in succession by the -cam «t3V which op
crates to rotate the shafts 32, thereby bringing
6
ing a vertical rock shaft journaled on the car
riage, a transfer arm attached to and extending
laterally from said rock shaft, an article-holding
cup mounted on said arm and comprising jaws
pivoted to swing to and from an article-holding
position,
a ' stationary cam drum on the ma
chine base, cams attached to said drum and com
the workpieees over the holders: 22. Each trans
prising cam tracks extending circumferentially
fer vfcup' with the workpiece thereon is lowered
ofthe carriage, means providing operating con
after itl has been» >brought over the holder 22,
nections between- one' said cam and the rock
10
thereby placing the workpiece o vthe holder as
shaft for rocking the latter about its axis, means
`shown» in brokenlines (Fig. 1). 'The workpiece
is seated'on the «platform before the transfer'cup
providing operating connections between another
said cam and the rock shaft for lifting and low
ering the latter, and means controlled by the
lifting and lowering movements of the rock shaft
15
the ñnal downward movement of the transfer
for causing said swinging of the holding jaws to
has’co'mpleted its downward movement.
-
f
L Referring to Fig. 4, it will be seen that during
arm, the cam follower roll 15 runs on the cam
said article-holding position during the upward
68 so that the shaft ‘I9 is rocked and thereby
movement of the rock shaft and transfer arm,
swings the cup sections apart, thus releasing the
workpiece I6. The holder'22 is now lifted by its
c'am- 30 and carries the workpiece up into the
and from article-holding positionV during the
downward movement of the rock shaft and trans
ring burner I5 which operates to sever the moil
20 while' the latter is held by the gripping arms
fer arm.
a'complete revolution.
up-and-down movement and for rotation about
3. The combination of a carriage mounted for
rotation about a vertical axis, article transfer
24. The holder 22 is then lowered with ythe - units mounted on the carriage and arranged in
tumbler I 6-‘thereon. These burn-off operations
an annular series, said units each comprising a
take'place while the carriage is making part of 25 vertical rock shaft mounted on the carriage for
Eachtransfer cup re
mains open during its travel through an arc 88
its axis, means for rotating each said shaft, sta
(Fig. '7) while thev burn-off operation is taking
tionary cams extending circumferentially of the Y
place. After the'holder 22 is lowered withthe
carriage, and mechanisms individual to said rock
tumbler thereon, the cup 33 is lifted by its cam 30 shafts each providing operating connections be
'4I or 42. The initial upward movement permits
tween its rock shaft and a said cam for lifting
the cup sections to be closed around the tumbler
and lowering the rock shaft, alternate rock shafts
by the cup-closing spring 84, while the cam roll
of the series having said connections with one
'I5 runs up the cam 68. The tumbler I5 is now
said cam and the other rock shafts with the
35
supported in the transfer cup and as the latter
other said cam.
'
continues its upward movement, the cam 43 op
4. The combination of a carriage mounted Vfor v
erates to rotate the shaft 32 and therebyswings
the cup, with the tumbler carried thereby, out
rotation about a vertical axis, an annular series
of article transfer units mounted on the carriage
wardly to a position over the belt conveyor 25'
for rotation therewith, each'said unit compris-Y
(Figs. 2 and 7). The shaft 32 is'then moved 40 ing a' transfer arm and an article holder o_n said
'downward so that/the vcup is lowered and de
arm, means for rocking each said arm for swing
posits the tumbler I6 on the conveyor, During
ing the article holder from an article-receiving
the final downward movement'of the> cup, the
position at one side of the carriage to a discharg
cam B9 (Fig. 5) engages the roll ‘I5 and operates
ing' position over the carriage, means for lift
45
to swing the cup sections apart. The shaftl‘ 32
ing and lowering the transfer arms comprising
is-lifted so that the cup clears the tumbler and y stationary cams, means providing operating con
is then rotated to swing the cupV inwardly thus
nections between one said vcam and alternate
completing the cycle.
rock arms of said series, and means providing
Modifications may be resorted to within the
50 operating connections between the other said cam
spirit and scope of my invention.
and the other rock arms, said cams being shaped
I claim:
and arranged to cause the article holders to be
l. The combination of a carriage mounted to
lifted in pairs when swung outward for receiv
rotate about a vertical axis, article transfer
ing articles.
.
mechanism comprising a vertical rock shaft jour
5. The combination of a carriage mounted for
naled on the carriage to rock aboutv its Vvertical 55 ' rotation about a Vertical axis, an annular series
axis, a transfer arm ñxed to'said shaft and ex
of article transfer units mounted on the car
tending laterally therefrom, an article holder Y
riage -for rotation therewith, eachsaid unit com
comprising a pair of jaws pivotally mounted on
prising a transfer arm and an article holder on
said arm, means for rocking each said arm for
60
from each other, automatic means controlled by
swinging the article holder from an article-re
said arm for swinging movement toward Y and
the rotation of the carriage for rocking said shaft
and thereby swinging said holder from an article
receiving position between the rock shaft and
the axis of the carriage and a discharging posi
ceiving position at one side of the carriage to
a discharging position over the carriage, means
for lifting and lowering the transfer arms com
prising stationary cams, means providing oper
tion laterally beyond the carriage, means con 65 ating connections between one said cam and
trolled by the rotation of the carriage for lift
alternate rock arms of said series, means provid
ing and lowering the rock shaft and transfer
ing operating connections between the other said
arm, and means operable by `and during the up
cam and the other rock arms, said cams being
ward movement of'the transfer arm to swing
shaped and arranged to cause the article holders
70
the jaws toward eachother to an article-holding
to be lifted in pairs when swung outward for
position and operable'by the downward move
receiving articles, each said article holder com
ment of the transfer arm to swing the jaws apart. Y
2. The combination of a machine base, a car
riag'e mounted thereon for rotation abouty a ver
tical axis, article transfer mechanism compris
prising a pair of jaws mounted on the transfer
arm for swinging movement toward and rfrom
75 each other, and automatic means controlled by
2,408,599
the lifting and lowering movements of the said
arms for swinging said jaws.
6. Article transfer mechanism comprising a
support, a vertical rock shaft mounted for rock
ing movement and up-and-down movement on
said support, a transfer arm attached to the rock
shanJ and extending laterally therefrom, an arti
ele-holding cup comprising holding members piv
8
and from each other for holding and releasing
articles, means for rocking said shaft and thereby
swinging the article holder from one position
to another, and means for swinging said article
holding members about their pivots comprising a
rock arm mounted on the said rock shaft for
rocking movement relative thereto, a cam fol
lower roll on said rock arm, means providing
operating connections between the rock arm and
otally mounted on said arm for Swinging move
ment toward and from each other, a rock arm 10 said article-holding members for swinging the
mounted on said shaft for rocking movement
latter when said arm is rocked, and a cam posi
about the axis of the shaft, means providing oper
tioned in the path of said roll and operable when
ating connections between said rock arm and the
said article-holding members, a cam follower roll
on said rock arm, and a cam mounted on said 15
.support and positioned and arranged in the path
of said roll and operable by the vertical move
ment of the rock shaft to operate said article
the rock shaft is lowered to swing said rock arm
and thereby swing the article-holding members
about their pivots.
9. Article transfer mechanism comprising a
vertical rock shaft, a frame in which said shaft
is mounted for up-and-down bodily movement
and for rocking movement about its axis, a trans
7. Article transfer mechanism comprising a 20 fer arm on the rock shaft and extending later
support, a vertical rock shaft mounted for rook
ally therefrom, an article holder carried on said
ing movement and up-and-down movement on
arm and comprising a pair of article-holding
said support, a transfer arm attached to the rock
members pivoted on said arm to swing toward and
shaft and extending laterally therefrom, an arti
from each other for holding and releasing arti
cie-holding cup comprising holding members piv 25 cles,
means for rocking said shaft and thereby
otally mounted on said arm for swinging move
swinging the article holder from one position to
ment toward and from each other, a rock arm
another, and means for swinging said article
mounted on said shaft for rocking movement
holding members about their pivots comprising
about the
of the shaft, means providing oper
a rock arm mounted on the said rock shaft for
ating connections between said rock arm and 30 rocking movement relative thereto, a cam fol
the said article-holding members, a cam follower
lower roll on said rock arm, means providing
roll on said rock arm, means for lowering the rock
operating connections between the rock arm and
holding members.
vshaft and rock arm, a cam positioned in the path
said article-holding members for swinging the
of said roll and operable to swing said article
latter when said arm is rocked, cams positioned
holding members apart when the rock shaft and 35
below andin the path of Said cam follower roll,
said members are lowered, and means for swing
one said cam being positioned and arranged to
ing said holding members to article-holding' posi
swing thevarticle-holding members apart'when
tion when the shaft is lifted.
the transfer arm is lowered with the article
8. Article transfer mechanism comprising a
holder at one said position, the other cam being
vertical rock shaft, a frame in which said shaft 40 positioned to swing said article-holding members
is mounted for up-and-down bodily movement
apart when the rock shaft is lowered at the other
and for rocking movement about its axis, a trans
said position, and spring means for swinging the
fer arm on the rock shaft and extending later
article-holding members about their pivots to
aly therefrom, an article holder carried on said
article-holding position when the rock shaft is
arm and comprising a pair of article-holding
lifted.
members pivoted on said arm to swing toward
Y
EDWARD I-I. BENNETT.
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