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Патент USA US2107041

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Feb. 1, 1938.
A. H. 'LUHRMAN
-
2,107,041‘
BATTERY GRID CASTING MACHINE
Filed Aug. 10, 1956
’
_
4 Sheets-Sheet 1
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INVENTOR.
ALBERT H. LUHRMAN.
BY
ATTORNEY.
eh ‘i, 138.
A. H. LUHRMAN
.
2,107,041
BATTERY GRID CASTING MACHINE
Filed Aug. 10, 1956
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INVENTOR. '
AL.
H. LUHRMAN .
BY
ATTORNEY.
'
Feb. 1, 1938.
2,107,041
A. H. LUHRMAN
BATTERY GRID CASTING MACHINE
Filed Aug. 10, 1.936
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INVENTOR.
ALBERT .H. LUHRMAN
BY
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ATTORIZJEY.
Feb. 1,‘ 1938.
A. H. LUHRMAN
2,197,041
BATTERY‘GRID CASTING MACHINE
Filed Aug. 10, 1936
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INVENTOR.
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ATTORNEY.
2407.041
Patented- l’eb. 1938
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UNITED’
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2,107,041
PATENT
'
‘ .,()I""F?I'CIE'.~
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BATTERY can) CASTING MACHINE
‘Albert H. i-Luhrmavn, Cincinnati, Ohio T
@pplication August 10, 1936, Serial No. 95,171’
3 Claims.’ (01. ‘22-57)
and [4, while the complemental movable molds
My invention relates to an improved grid cast
ing machine of the multiple type wherein a‘ plu-'
rallty of‘ gridsare' automatically cast, ejected and.
vconveyed out of the machine.
v‘The object of my invention is to provide "im
35 are secured to cross-bars‘ 36 being guided and
slidable in the openings IS. 'The rods .30 extend
through ‘these cross-bars and have collars 3'! ar- ,1,
ranged to contact the cross-bars for moving the 5
proved grid forming molds, ‘improved means for
movable molds endwise away from the station- Y
opening and‘ closing the molds, - improved ‘means
ary-molds against theptension of springs 38 con- ‘
for accurately delivering predetermined T‘quan'tiL
?ned by collars 39.
, -
‘Above each of the molds is provided a lead cup
10 for ejecting the cast grids and 4 conveying the ‘ 40, pivoted on supports 4| and interconnected as 10
by a bar 42 having a linkagegconnection 43 with
grids out of the machine.
A further object is to provide a plurality of a cam 44 mounted on the shaft 20. Suitable lead
molds on each side of the lead pot andalternately pumps 50 extend into‘the lead pot l2. A central
casting grids on each side of the machine and shaft 5! is supported above the lead pot and has
ties of molten metal to ‘the molds, improved means
1
rocker arms 52 thereon for alternately pumping 15:
delivering said grids from the
My invention will be further readily under . lead through the pumps 50, through tubes 53 into
stood from the following description and claims, the lead cups 4!]. Adjustments are'provided for
machine.
7
-
-
and from the drawings, in which latter:
Fig. 1 is a plan view of my improved machine.
Fig. 2 is a side view of the same, partly broken
away.
‘
_
.
Fig. 3 is a vertical section of the same, taken
in the plane of the line 3-—3 of Fig. '1.
regulating the length of the stroke of the lead
pump for pumping the exact quantity of lead to
the‘ lead cup necessary to form a complete grid. 20
The shaft 5| has a rocker arm 54 securedto'
one end thereof and said rocker arm has cables 55
connected to the respective slides 29 for rocking
the shaft 5| on the forward movement of the
respective slides 29 for operating the pumps.
25
The shaft 20 is suitably driven by a chain at
received over sprocket wheel SI On the shaft 20
Fig. 4 is a detail section, taken in the plane of
the line 4—4'of Fig. 2, showing the molds in open
‘position, and
Fig. 5 is a detailed section of ‘the lead pumps,
‘ and about a sprocketwheel 52, extending from a
taken in the plane of the line 5-5 of Fig. 1.
My improved machine comprises a frame It speed change mechanism 53 which is driven by an
constructed of suitable channels and angleirons '
electric motor.
.
,
- ‘I
.
30'
Suitableconveyors 65 are supported below the
arranged to support a central lead pot l2, which
has suitable /means in conjunction therewith for ' molds on each side of the machine and are driven
maintaining the lead or casting material in a by sprocket chains 66 from the speed change
Slides 6‘! are arranged below the
molten state. On each side of the lead pot are mechanism.
35
a pair of channel irons II and 14, having suitable molds for guiding cast grids to the conveyor.
Suitable knock-out pins ‘10 are provided in the
openings l5 and i6 therein. A cross shaft 20
extends across the machine and is suitably sup- - stationary mold, being connected to cross-bars ‘I l,
ported in bearings 2| and has segment gears 22 > which bar's aresupported on studs 12 having
springs 13 interposed between the bar and the
mounted thereon and arranged to mesh with- pin
ion gears ‘23, mounted on shafts 24. An eccentric mold support. The movable cross-bars 36 are
25 is also secured to the shaft 24 and has a con: provided with studs 14 arranged to contact a
necting rod 26‘ pivoted to a support 21 as at 28, knock-out bar 1| when the molds are open‘for '
which support is connected to a cross-bar 29 ar- ' causing the pin ‘I0 to free the, grid from the
mold .33.
"
ranged to reciprocate in the openings l5.‘
In the operation of my improved casting ma 45
On either side of the channels l3 and I4 are
rods 30, supported in bearings ‘3| and having chine, the lead is alternately pumped to the re
spective lead cups on each side of the machine and
threaded connection with the cross-bar 29.
It will be noted that the segment gears 22 are as the molds close, the lead cups 40 are tipped
positioned at right angles to each other to permit for pouring the lead into the molds and the molds
alternate movement to the respective bars 29 on remain ,in this position until the complemental
each side of the machine. A suitable plurality gear segment causes rotation of the pinion gear
28 which rotation causes eccentric 25 to rotate,
of lead molds 32 are arrange d between the sup thus opening the molds. As the molds are open
ports II and “on each side of the machine and.
casting is eiected,-_slides-down the slide 01
comprisestationary parts 33 ?xed to cross-bars the
to the conveyor 65 and is carried out of the ma
d
to
the
frames
l3
55 34, which are suitably secure
2
.
2,107,041
chine. As this operation takes place on one side
of the machine, a similar operation through like
parts is alternately enacted on the other side of
the machine. Thus it will be seen that while
grids are being ‘cast on one side of the machine,
they are being/ejected on the other side of the
machine.
I
I
'
While I have described the elements composing
.one set of molds and their actuating parts, it will
be apparent that all of the molds are similar in
construction on both sides of the machine and are
actuated in like manner.
.
Having thus fully described my invention, what
I claim as new and desire to secure by Letters
15 Patent, is:
'1. In a casting machine, the combination of
a lead pot, a plurality of pairs of complemental
‘molds on each side of said lead pot, one part of
each mold being stationary, the lotherpart of each
V20 mold being mounted one; slide, a cross-shaft be
low said slides, a pair of segment gears alter
nately spaced on said shaft, shafts above said
?rst-named shaft, pinion gears on said shafts’
arranged to be rotated by the respective seg
25 ments, and crank arms on said second-named
shafts having connection with said slides for
opening'and closing said molds.
2. In a casting machine, the combination of a
lead pot, a plurality ofpairs of complemental
30 molds on each side of said lead pot, one part of
each mold being stationary, the other part of'each '
mold being mounted on a slide, a cross-shaft be
low said slides, a pair of segment gearsalternate
ly spac on said shaft, shafts above said first
named s aft, pinion gears on said shafts ar
ranged to be rotated by the respective setments.
crank arms on said second-named shafts having ,
connection with said slides for opening and 0108-,
ing said molds, and a lead cup pivoted above each
of ‘said molds and means for tipping said cups 10
upon closing of said molds.
‘
3. In a casting machine, the combination of a
lead pot, a plurality of pairs of complemental
molds on each side of said‘lead pot, one part of
each mold being stationary, the other part of 15
each mold being mounted on a slide, a cross
shaft below said slides, a pair of segment gears
alternately spaced on said shaft, shafts above said
first-named shaft, pinion gears on said shafts
arranged to be rotated by the respective segments,'crank arms on said second-named shafts
having connection with said slides for opening
and closing said molds on the respective sides of ‘
said lead pot alternately,- a lead cup pivoted-above
each of said molds, means for tipping said cups
upon closing of said molds, means for releasing
the castings upon opening of said, molds, and con
veyors for .carrying said released castings out of
said machine.
'
ALBERT H. LUHRMAN.
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