IMPROVEMENTS IN MACHINERY. FOR ROLLING METALS
Year: 1885

page_text: I, FINLAY FINLAYSON, of Glengarnock Steel Works, Kilburnie, in the County of
Ayr, North Britain, Engineer, do hereby declare the nature of my said invention
for "IMPROVEMENTS IN MACHINERY. FOR ROLLING METALS," to be as follows, that
is to say
My said Invention comprises improvements which are applicable to various
classes of rolling mills or machinery for rolling metals, and which are of special
advantage in connection with the rolling mills, sometimes termed cogging mills,
through which steel ingots or wrought iron blooms are first passed. The improve-
ments are also applicable to roughing or intermediate rolling mills and in some
cases also to finishing rolling milla
My Invention comprises improved arrangements of hydraulic apparatus for
acting on the ingots or blooms or masses of metal after each passage between the
rolls, so as to turn them and move them or assist in moving them into the positions
for passing through the successive grooves of the rolls.
In carrying out my Invention according to one modification I employ pairs of
short vertical bydraulic cylinders placed in suitable positions between the rollers
on which the masses of metal are moved when being passed to and from the
cogging or other rolls. The ram of each hydraulic cylinder is formed with a cross-
head on which is placed a lifter or piece made with two vertical projections for
acting on the mass of metal. The lifter is secured to the rain crosshead by
trunnions and has one side of its bottom slightly inclined to the other side so as to
be capable of a slight tilting movement. What may be termed the first vertical
projection of the lifter is in such a position as when raised to act on the outer lower
corner of the mass of metal which it partly turns over; and when the lifter in
rising reaches a certain position a stop provided for the purpose makes it tilt so as
to complete the turning action on the mass of metal to the extent of a quarter of a
complete turn. In the position thus given to the mass of metal it passes through
the second groove of the rolls and is next acted on by the second vertical projection
of the lifter so as to be turned another quarter and into the position for passing
through the third groove. The lifter of the second hydraulic cylinder acts on the
mass after passing through the third and fourth grooves; and the lifter of the third
hydraulic cylinder acts on it subsequently. As the grooves are successively
narrower the lifter of the third hydraulic cylinder or even that.of the second one
may be made with more than two vertical projections,

page_text: In a second modification instead of employing two or more pairs of stationary
vertical hydraulic cylinders as herein before described a single pair of such vertical
hydraulic cylinders may be used, and this pair may be made movable on horizontal
guides into the successive positions corresponding to the several grooves of the rolls,
horizontal hydraulic cylinders being arranged to move the vertical hydraulic
cylinders as required.
The hydraulic cylinders are worked by means of an accumulator in the ordinary
way; and their pipes are all led to a raised platform where the valves are arranged
so as to be directly controlled by an operator having a full view of the action of
the machinery.
EDMUND HUNT,
Applicant's Agent.
4:
COMPLETE SPECIFICATION.
Improvements in Machinery for Rolling Metals.
I, FINLAY FINLAYSON, lately of Glengarnock Steel Works, Kilburnie, in the
County of Ayr, North Britain, but now of Vulcan Foundry, Coatbridge, in the
County of Lanark, North Britain, Engineer, do hereby declare the nature of this
invention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement, that is to say:-
My said Invention comprises improvements which are applicable to various
classes of rolling mills or machinery for rolling metals, and which are of special
advantage in connection with the rolling mills, sometimes termed cogging inills,
through which steel ingots or wrought iron blooms are first passed. The improve-
ments are also applicable to roughing or intermediate rolling mills, and in some
cases also to finishing rolling mills.
My Invention comprises improved arrangements of hydraulic apparatus for
acting on the ingots or blooms or masses of metal after each passage between the
rolls, so as to turn them and move them or assist in moving them into the positions
for passing through the successive grooves of the rolls.
In carrying out my Invention according to one modification I employ pairs of
short vertical hydraulic cylinders placed in suitable positions between the rollers
on which the masses of metal are moved when being passed to and from the cogging
or other rolls. The rams of the hydraulic cylinders act by means of lifters so as to
turn the mass of metal and at the same time move it so as to become opposite to
different grooves or passes of the rolls.
In a second modification instead of employing two or more pairs of stationary
vertical hydraulic cylinders, a single pair of such vertical hydraulic cylinders may
be used and this pair may be made movable on horizontal guides into the successive
positions corresponding to the several grooves or passes of the rolls, one or more

page_text: horizontal hydraulic cylinders being arranged to move the vertical hydraulic
cylinders as required.
The hydraulic cylinders are worked by means of an accumulator in the ordinary
way, and their pipes are all led to a platform where the valves are arranged so as
to be directly controlled by an operator having a full view of the action of the
machinery.
And in order that my said Invention and the manner of performing the same
may be properly understood I hereunto append two sheets of explanatory drawings
to be hereinafter referred to and representing my improved apparatus.
The modification having stationary vertical hydraulic cylinders is shown on
sheet, 1, of the accompanying drawings, figure, being a sectional plan and figure, 2,
an elevation. Figures, 3, and 4, on sheet, 2, are a sectional plan and an elevation of
the second modification which has traversing vertical hydraulic cylinders. In these
drawings the same reference numerals are used to mark the same or like parts
wherever they are repeated.
My improved apparatus is used in connection with the now commonly employed
series of horizontal feed rollers, 5, figure, 1, driven by bevil wheels, 6, by means of
which the ingot or metal mass is moved towards and from the rolls, 7, and is
arranged to operate in two of the spaces between the said feed rollers, 5. Below
each of the two spaces between the feed rollers, 5, there are fixed down on a bed
plate, 8, three vertical hydraulic cylinders, 9; and the ram, 10, of each cylinder is
formed with a crosshead, 11, on which is placed a lifter, 12, or piece made with
two or more vertical projections, 13, for acting on the metal mass. Each lifter, 12,
is secured to its crosshead by trunnions or a horizontal joint pin and has one half
of its bottom slightly inclined to the other half so as to be capable of a slight
tilting movement. Referring to the lifter, 12, at the left-hand side of figure, 2, its
outer projection, 13, is in such a position as, when raised to act on the outer lower
corner of the metal mass supposing this mass to have been passed through the
largest or first grooves of the rolls, 7, and the mass is by it turned partly over. When
the lifter, 12, in rising reaches a certain position a stop provided for the purpose.
makes it tilt so as to complete the turning action on the metal mass to the extent
of a quarter of a complete turn. The stop consists of a bar or link, 14, jointed to
the lifter, 12, and passing through a hole or notch in a projection formed on the
side of the hydraulic cylinder, 9, the bar being prevented from passing up beyond
a certain distance by a head on its lower end which head cannot pass through the
hole or notch. In the position given to the metal mass by the action which has
been described it passes through the second grooves of the rolls, 7, and is next
acted on by the second vertical projection, 13, of the lifter so as to be turned
another quarter and into the position for passing through the third grooves. The
lifter, 12, of the second hydraulic cylinder, 9, acts on the metal mass after passing
through the third, fourth, and fifth grooves (it being made with three vertical pro-
jections, 13) and the lifter of the third hydraulic cylinder acts on it subsequently.
As the grooves in the rolls, 7, are successively narrower the lifters of the second and
third hydraulic cylinders are made with more than two vertical projections, 13.
Each pair of hydraulic cylinders, 9, that is, those two of the two sets which act
simultaneously, have the water admitted into and exhausted from them by pipes, 15,
which are branches from a single pipe, 16; and the three pipes, 16, extend to the
place where the valves and controlling gearing and accumulator connections are
arranged and where the controlling operator stands having a full view of the action
of the machinery.
In the modification shown in figures, 3, and 4, the hydraulic cylinder, 9, of which
there is only one pair, are mounted on wheeled trucks, 17, running on rails, 18; or
they might be carried on slides fitted to traverse on horizontal guides. The
trucks, 17, are connected to the piston rods, 19, of two hydraulic cylinders, 20, fixed
horizontally and arranged to be worked in concert by means of branch pipes, 21, 22,
connected to single pipes, 23, 24, which extend to the valves and gear at the con-
trolling station. A single cylinder might be substituted for the two horizontal

page_text: hydraulic cylinders, 20, its piston rod being connected to a cross bar connecting the
two trucks, 17. The water for working the vertical traversing bydraulic cylinders, 9,
passes through a fixed pipe, 25, which enters through a stuffing box into a larger
pipe, 26, carried by brackets, 27, on cross bars, 28, connecting the two trucks, 17.
Having now particularly described and ascertained the nature of my said
Invention and in what manner the same is to be performed I declare that what
I claim is
1. The combination of apparatus for turning over and moving metal masses in
machinery for rolling metals substantially as hereinbefore described with reference
to figures, 1, and 2, of the accompanying drawings.
2. The combination of apparatus for turning over and moving metal masses in
machinery for rolling metals substantially as herein before described with reference
to figures, 3, and 4, of the accompanying drawings.
3. The combination of the directly-acting vertical hydraulic cylinders with
their tilting lifters substantially as and for the purposes hereinbefore described.
4. The combination of the fixed horizontal hydraulic cylinder or cylinders with
the traversing vertical hydraulic cylinders substantially as and for the purposes
herein before described.
1
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T
1000