An Improved Construction of Hydraulic Oil-press.
Year: 1893

page_text: Date of Application, 21st Oct., 1893
. Complete Specification Left, 19th Jan., 1894-Accepted, 24th Feb., 1894
PROVISIONAL SPECIFICATION.
An Improved Construction of Hydraulic Oil-press.
We GREENWOOD & BATLEY LIMITED, Engineers, and HERBERT LAMBERT,
Engineer, both of Albion Works, Leeds in the County of York; do hereby declare
the nature of this invention to be as follows:-
This invention relates to improvements in the construction of hydraulic presses
used in the manufacture of: oil-cake, the objects of the invention being to provide
au adjustable measuring device for the meal, whereby the thickness of the cakes
may be regulated, and to ensure a more even pressure throughout the whole pile of
cakes, whereby the latter are more equally consolidated than heretofore, and a
better yield of oil is obtained.
In constructing a press- according to the present invention, a press-head is
provided, having a vertical opening or chamber therein. This chamber is closed
at top and bottom by sliding doors operated by one lever, in such a manner, that
when the top door is closed, the bottom is opened, and vice versa. The chamber
has also a movable side, by means of which its capacity is adjusted. The meal or
seed is delivered into the chamber from the kettle while the upper door is open
and the bottom one closed, The capacity of the chamber, regulated by the
movable side, determines the proper measurement of the meal, which falls from the
measuring chamber, when the bottom door is opened, into a press-box below.
Between the press head and the press. box is a ram head of a size and shape to fill
up the top of the box when in its normal position. This ram head is, however,
capable of a horizontal sliding movement, to enable it to be moved sideways out of
the way by means of a rack and pinion, to leave the press-box open at the top.
The press box is built up of vertical bars, in the form of a cage, with just sufficient
space between them to allow the oil to escape. The box, which is capable of a
sliding movement in a vertical direction, is entered from the lower end by the
vertically moving head of the hydraulic ram, which constitutes the bottom
thereto.
:
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The action of the press is as follows:-
The upper ram-bead. having been moved aside, and the hydraulic ram head
having been advanced to near the top of the press box, the meal in measured
quantity, sufficient to form one cake, is delivered from the press head into the
press box, spread out, and covered by a metal plate and a piece of sacking in the
usual way, so as to separate each. layer of meal from the next succeeding delivery.
The hydraulic ram head gradually recedes as the filling of the press box progresses,
but when the latter is completed, and the upper ram has been returned to its normal
position above the press box, the bydraulic ram is again advanced to compress the
layers of meal between its own head and the upper ram bead before mentioned.
When this compression reaches a certain point, the side friction of the meal in
the box carries the latter up with the meal, and the upper ram enters the box, so
that a nearly equal pressure, is obtained at both ends of the pile of meal, thus
procuring a better yield of oil, and more equally consolidated cakes.
To remove the cakes from the press, the hydraulic ram is lowered, and with it
the press box, clear of the upper ram, which is then moved aside to the edge of the
press box, above which it remains. A sliding abutment is also drawn after the
upper ram, to overlie the edge of the press box on the opposite side, so that the box
is held down and prevented from rising. An upward movement of the hydraulic
ram will then force out the cakes. The oil which is forced from the meal during

page_text: the pressing falls into a suitable trough, whence it flows to any convenient
receptacle.
NEWTON & SON,
Agents for the Applicants
An Improved Construction of Hydraulic Oil-press.
We GREENWOOD AND BATLEY LIMITED AND HERBERT LAMBERT, Engineer,
both of Albion Works, Leeds, in the County of York, do hereby declare the nature
of this invention and in what manner the same is to be performed, to be particularly 1
described and ascertained in and by the following statement:-
This invention relates to improvements in the construction of hydraulic
presses used in the manufacture of oil cake, the objects of the invention being
10 provide an adjustable measuring device for the meal, whereby the thickness
of the cakes may be regulated, and to ensure a more even pressure throughout the 1
whole pile of cakes, whereby the latter are more equally consolidated than hereto-
fore, and a better yield of oil is obtained.
In constructing a press according to the present invention, a press-head is
provided, having a vertical opening or chamber therein. This chamber is closed
at top and bottom by sliding doors operated by one lever, in such a manner, that 2
The chamber
when the top door is closed, the bottom is opened, and vice versa.
has also a moveable side, by means of which its capacity is adjusted. The meal
or seed is delivered into the chamber from the kettle while the upper door is open
and the bottom one closed. The capacity of the chamber, regulated by the move-
able side, determines the proper measurement of the meal which falls from the 2
measuring chamber, when the bottom door is opened into a press box below.
Between the press head and press box, is a ram head, of a size and shape to fill up
the top of the box, when in its normal position. This ram head is, however, capable
of a horizontal sliding movement, to enable it to-be moved sideways out of the
way, by means of a rack and pinion, to leave the press box open at the top. The
press box is built up of vertical bars in the form of a cage, with just sufficient
space between them to allow the oil to escape. The box, which is capable of a
sliding movement in a vertical direction, is entered from the lower end by the
vertically moving head of the hydraulic ram, which constitutes the bottom
thereto.
In the accompanying drawings,
.
Fig. 1 is a longitudinal sectional elevation of the press embodying the present
invention.
Fig. 2 is a plan of the press box detached.
Fig. 3 is,a plan of the press head or measuring chamber detached.
Fig. 4 is a vertical section of the measuring chamber.
A is the press box, built up, as before explained, and capable of sliding vertically
between the press columns a a u.
B is the hydraulic ram, the head of which enters the bottom of the box A.
C is the upper ram head, occupying normally the position, above the press box
shown in Fig. 1, but capable of sideway movement to the dotted position of the
same figure..
cc are rack and pinion for effecting this sideway movement.
D is a sliding abutment which follows the movement of the ram head C, being
pulled across by headed rods or bolts d, to the position shown dotted in Fig. 1.
E is the press head and measuring chamber, whereof e and e' are respectively
the top and bottom doors sliding in and ont under the operation of the lever e³,
in the manner clearly illustrated at Fig. 4.

page_text: e is the moveable side of the measuring chamber, which can be moved inward
by the adjusting bolts e, to contract the dimensions as before explained.
F is a trough arranged to catch the oil. which issues from the press box, with an
outflow to deliver to a vat or other suitable receptacle.
The action of the press is as follows:-
The upper ram head C having been moved aside, and the hydraulic ram
head B having been advanced to near the top of the press box A, the meal, in
measured quantity, sufficient to form one cake, is delivered from the press head E
into the press box, spread out, and covered by a metal plate and a piece of
sacking in the usual way, so as to separate each layer of metal from the next
succeeding delivery. The hydraulic ram head B gradually recedes as the filling
of the press box A progresses, but when the filling is completed, and the upper
ram has been returned to its normal position above the press box, the hydraulic
ram is again advanced, to compress the layers of metal between its own head and
the upper ram head C before mentioned.
When this compression reaches a certain point, the side friction of the meal in
the box A, carries the latter up with the meal, and the upper. ram C enters the
box A; so that a nearly equal pressure is obtained at both ends of the pile of meal,
thus procuring a better yield of oil, and more equally consolidated cakes.
To remove the cakes from the press box A, the hydraulic ram B is lowered, and
with it the press box A, clear of the upper ram C; which is then moved aside to
the edge of the press box, above which it remains. A sliding abutment D is also
drawn after the upper ram C, to overlie the edge of the press box on the opposite
side, so that the box is held down and prevented from rising. An upward move-
ment of the hydraulic ram will then force out the cakes. The oil which is forced
from the meal during the pressing, falls into the trough F, whence it flows to any
convenient receptacle.
Having now particularly described and ascertained the nature of the said
invention, and in what manner the same is to be performed, we declare that
what we claim is :-
1. An hydraulic oil press wherein the press box for receiving the meal or seed
to be pressed is free to move in the direction of the hydraulic pressure, so as to
ensure an active pressure on the opposite faces of the moulded cakes, in the manner
and for the purpose set forth.
2. Fitting to a press head an adjustable measuring chamber provided with a
moveable side, and alternately-operating top and bottom sliding doors, substantially
as described with reference to the accompanying drawings.
3. The hydraulic press constructed, arranged; and operating as described with
reference to the accompanying drawings.
Thin 15th 1 of 1180A
NEWTON & SON,
Agents for the Applicants.