US951382A - Stereotype-plate-casting apparatus. - Google Patents

Stereotype-plate-casting apparatus. Download PDF

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Publication number
US951382A
US951382A US15076003A US1903150760A US951382A US 951382 A US951382 A US 951382A US 15076003 A US15076003 A US 15076003A US 1903150760 A US1903150760 A US 1903150760A US 951382 A US951382 A US 951382A
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Prior art keywords
spout
clutch
pump
metal
rod
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US15076003A
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Walter Scott
Isabella Scott
David John Scott
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50Pouring-nozzles
    • B22D41/60Pouring-nozzles with heating or cooling means

Definitions

  • lily invention relates to stereotype plate casting machines, and the object ofthe invention is to construct and arrange apmetal melting furnace with v ⁇ reference to one or more casting molds, whereby the casting of the plates will be greatly expedited, and whereby a. considerable saving in labor will be 'effecteih To this end l vconstruct my metal melting furnacewithineans, as a pump, for positively forcing the molten metal from the sain furnace into one ⁇ or more casting molds. And, further, in arranging a.
  • FIGs. 4 and 5 are 2 casting mold of any suitable construction Abut preferably similar to the one shown in an application tiled by me on the 3rd day of July 1901, Ser. No. 66,975.
  • the furnace l is provided with the usual bowl 3 in which is located a pump 4, of any suitable construction, delivering molten metal from the saidl bowl into an adjoining and intermediate compartment 5 through unobstructed inlet opening 6 and unobstructed inlet opening 7.- From the arrangement 5 leads the spout'S.
  • the pump 4 is stationarily located and conveniently supported on the horizontal plate 9 extending over the top of the furnace,land its piston 4 is operated from the shaft 10, in the framework 11 carried by the plate 9 of the furnace, by means of the crank l2, linlt 18 andpiston rod 14.
  • the pump will preferably deliver an amount of molten metal withv each stroke equal to .the capacity of the moldv which it' supplies.
  • the stroke of the piston can be increased or decreased Iby adjusting thewristpin 15 in the slot 16. y
  • the spout ⁇ 8 is conveniently located centrall of the furnace, and, when several mol s are used, will be mopnted to turn, and will .swing in an arc of a circle linto alinement with any of the molds, successively or otherwise.
  • the molds 2 will of course he .located in .an larc of a circle around the furnace concentric with the turning point or pivot ofthe spout and with the arc of the circle described by the saine.
  • this spout consists of a pipe open at both ends and inclined in opposite directions from a co1nmon point as 17, so that the metal will run in both directions and not stand in the pipe.
  • That portion 18 vof the spout which is central of the furnace forms a hollow pivot and is bent vertically downward so as to projectinto ⁇ the intermediate compartment 5 which of course alsol is located central of the furnace, and is made to turn by means of the lll) terfere'with the turning of the said spout.
  • Suitable operating mechanism will of course bey used to operate the shaft 10 of the pump.
  • the pump should be driven crank While filling the mold, or, when several are used,l each of the molds.
  • I mount apowcr wheel 29 loosely on the shaft l0, and adjacent thereto a clutch of suitable construction.
  • This clutch ' will preferably be a one-revolution clutch 30 so that after the said clutch is moved into engagement with the ypower wheel it will au-y tomatically rreleaseitself after one revolution.
  • the clutch is provided Witli a groove 3l. with which engages sliding in the framework; 11.
  • This rod is provided with a rack 3l engaging with the segment 35 carried by the sleeve 3G mounted loosely on the spindle 22, said 'sleeve-having located a latch 38 against 'which presses the spring 39.
  • the rod 33 carries a pin :t0 which, when theclutch is moved against the power wheel, ⁇ will pass the projection eil ot the latch, which latter will then be moved down behind the pin'by the spring 39, so that the rod 33 cannot return.
  • eomprcsj sible.
  • spring 4Q is located on the framework and is compressed by the rod 33 when the clutch is ⁇ moved into engagement with the power wheel.
  • the clutch carries a toe 43 which comes into ⁇ engagement with. the latch 38,after.
  • a bowl In a metal melting furnace, a bowl, a pump cylinder contained therein and having an unobstructed inlet opening ⁇ from the bowl and an unobstructed outlet or ening, a spout, connecting with the said out et opening, composed of two portions inclined downward from the horizontal in opposite directions from a common high point, a piston working in said cylinder and adapted on its working stroke to close the inlet opening and force a charge of metal past the high point of the spout, and adapted on its return stroke to allow the metal remaining in the spout to drain back into the cylinder and to uncover the inlet o ening.
  • a bowl. a pump cylinder contained therein .and having an unobstructed inlet opening from the bowl and an unobstructed outlet openin a spout mounted to turn, connecting wit. the inlet ⁇ opening, composed of two portions said spout inclined downward in opposite directions from acommon high oint, a iston Working in said cylinder an( adapted1 on its working stroke to close the inlet opening and force'a charge of metal )astithe high point of the spout, and adapted on its ⁇ return stroke to allow the metal remaining in the spout to drain back into the cylinder and to uncover the inlet opening.
  • a Dump delivering molten metal through said spout, operating mechanism for the pump, a clutch controlling said operating mechanism, a .movable rod, a rack, a projection and a. pin on saidrod, a 'groove1n'the friction clutch for the reception/of the projection of the rod, a latch for engaging said pin, a segment engaging with the rack for moving the rodvand clutch toward the o Jerating mechanism and Where by theljatch, ⁇ ocks the pin, a toe on the clutch for opening the latch and releasing the rod,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Description

W. SCOTT, DEGD.-
I. EL D. J. BGOTT, EXBOUTOES. STI-:REOTYPE PLATE CASTING APPARATUS.
APPLICATION II-LBD APR. 2, 1903.
2 SHEETS-SHEET 1.
@Za/Mig w. SCOTT, 113cm. I. z D. J'. SCOTT, EXEGUTQES. STERBOTYPE PLATE CASTING APPARATUS.
Mnwses srrs nanna OFFICE.
Wilitl-ER SC'T, 0F PLAINFIELD, NEW JERSEY.; ISABELLA SCOTT AND! DAVID JOHN SCOTT EXEC'UTORS OF SAID WALTER SCOTT, DECEASEID. y
STEREOTYPE-PLATE-CASTING APPARATUS.
Specification of Letters Patent.
Patented Mai-8, 1910.
application led April 2, 1903. Serial No. 150,760.
new and useful Improvements in Stere otype-llateeCasting Machines, of which the :following is a specification.
lily invention relates to stereotype plate casting machines, and the object ofthe invention is to construct and arrange apmetal melting furnace with v`reference to one or more casting molds, whereby the casting of the plates will be greatly expedited, and whereby a. considerable saving in labor will be 'effecteih To this end l vconstruct my metal melting furnacewithineans, as a pump, for positively forcing the molten metal from the sain furnace into one` or more casting molds. And, further, in arranging a. plurality of casting molds'around furnace, and in providing saidv furnace with an adjustable spout for ythe molten metal movable into alinement with any one of the maids so as to deliver the metal to tion to the foregoing, my invensts iirth-e features of construction ngeinent of parts as will be more ein'after described.A I. f' l shall descrihei awrnetal `meltingfurnace arranged with reference ,to .one or more molds, embodying my'inyention, and afteri 1rd point out the novel features inv the claims. l, fin the drawings l have embodied" my invention in suitable form, which, though it contains valuable features of construction in itself', not essential vtoloarrying outA .the
showing the heating means for ce, pump and spout. Figs. 4 and 5 are 2 casting mold of any suitable construction Abut preferably similar to the one shown in an application tiled by me on the 3rd day of July 1901, Ser. No. 66,975.
So far as certainfeatures of my invention are concerned, only one castino' mold need be employed. I find it highly advantageous, however, to arrange a number of such vcasting molds around'the metal melting furnace as shown inFig. 1, and to construct the furnace with means for delivering metal to any or all of such molds. Accordingly the furnace l is provided with the usual bowl 3 in which is located a pump 4, of any suitable construction, delivering molten metal from the saidl bowl into an adjoining and intermediate compartment 5 through unobstructed inlet opening 6 and unobstructed inlet opening 7.- From the compartiment 5 leads the spout'S. The pump 4 is stationarily located and conveniently supported on the horizontal plate 9 extending over the top of the furnace,land its piston 4 is operated from the shaft 10, in the framework 11 carried by the plate 9 of the furnace, by means of the crank l2, linlt 18 andpiston rod 14. The pump will preferably deliver an amount of molten metal withv each stroke equal to .the capacity of the moldv which it' supplies. In order to variably predetermine the amount of metal, the stroke of the piston can be increased or decreased Iby adjusting thewristpin 15 in the slot 16. y
The spout`8 is conveniently located centrall of the furnace, and, when several mol s are used, will be mopnted to turn, and will .swing in an arc of a circle linto alinement with any of the molds, successively or otherwise. The molds 2 will of course he .located in .an larc of a circle around the furnace concentric with the turning point or pivot ofthe spout and with the arc of the circle described by the saine. In the present form, this spout consists of a pipe open at both ends and inclined in opposite directions from a co1nmon point as 17, so that the metal will run in both directions and not stand in the pipe. That portion 18 vof the spout which is central of the furnace forms a hollow pivot and is bent vertically downward so as to projectinto` the intermediate compartment 5 which of course alsol is located central of the furnace, and is made to turn by means of the lll) terfere'with the turning of the said spout.
,the bent end 32 of the horizontal rod carrying the handwlieel S23.
in place of the gasburners 24.
so as to make one stroke or revolution of the operating levers 37. On'llie 4framework is I prefer, however, to manipulate the said spout by means of the upright spindle 22 In order to heat.- the spout and prevent the metal from cooling while being con-` veyed therethrough, I provide suitable heating means as the gas burners 24 placed inthe inclosure 25 surrounding the spout, communicating with the gas pipe 26 by means ofthe iexible connection 27 so as not to in` In F ig. 5 I have shown an electric wire 28 In the Apresent application, the spout is claimed broadly and specifically in combination with a pump or other means for positively forcing the metal through the saine, whiley in an application tiled May 14C, 1903, Ser. No. 157,094, the saine construction of spout is utilized and claimed in connection with a gravity feed.
Suitable operating mechanism will of course bey used to operate the shaft 10 of the pump. To make tliedevice most ellicient, it is desirable that the pump should be driven crank While filling the mold, or, when several are used,l each of the molds. To this end I mount apowcr wheel 29 loosely on the shaft l0, and adjacent thereto a clutch of suitable construction. This clutch 'will preferably be a one-revolution clutch 30 so that after the said clutch is moved into engagement with the ypower wheel it will au-y tomatically rreleaseitself after one revolution. In its present form, the clutch is provided Witli a groove 3l. with which engages sliding in the framework; 11. This rod is provided with a rack 3l engaging with the segment 35 carried by the sleeve 3G mounted loosely on the spindle 22, said 'sleeve-having located a latch 38 against 'which presses the spring 39. The rod 33 carries a pin :t0 which, when theclutch is moved against the power wheel,` will pass the projection eil ot the latch, which latter will then be moved down behind the pin'by the spring 39, so that the rod 33 cannot return. eomprcsj sible. spring 4Q is located on the framework and is compressed by the rod 33 when the clutch is `moved into engagement with the power wheel. The clutch carries a toe 43 which comes into` engagement with. the latch 38,after. one;revolution,pushing it out of the waylotf thezpin 40, therebv zllowing the rod to bereleased and returnc by the spring 121, tlus releasingthe clutch from the power w ee When it is desired to till a mold, the spout is turned to the proper point and the pump started up by manipulating the segment 35. The action of the pump ositively forces the metal out oi the bowl o the furnace, conveying it through the spoilt and inwith such mold and the operation justdescribed repeated.
Having thus described my invention, what I claiinjs:
l. In a metal melting furnace, a bowl, a pump cylinder contained therein and having an unobstructed inlet opening `from the bowl and an unobstructed outlet or ening, a spout, connecting with the said out et opening, composed of two portions inclined downward from the horizontal in opposite directions from a common high point, a piston working in said cylinder and adapted on its working stroke to close the inlet opening and force a charge of metal past the high point of the spout, and adapted on its return stroke to allow the metal remaining in the spout to drain back into the cylinder and to uncover the inlet o ening.,
2. In a metal melting urnace, a bowl., a pump cylinder contained therein .and having an unobstructed inlet opening from the bowl and an unobstructed outlet openin a spout mounted to turn, connecting wit. the inlet` opening, composed of two portions said spout inclined downward in opposite directions from acommon high oint, a iston Working in said cylinder an( adapted1 on its working stroke to close the inlet opening and force'a charge of metal )astithe high point of the spout, and adapted on its `return stroke to allow the metal remaining in the spout to drain back into the cylinder and to uncover the inlet opening.
3. The combination with a metal melting furnace, of a spout leading therefrom, a pump delivering molten metal through said spout, operating mechanism for said pump, a clutch controlling said operating mcchanism, a movable rod, a rack, a projection and a pin on said rod, a groove in the friction clutch for the reception of the projection of the rod, a hitch for engaging said pin, a segment engaging with the rack for moving the rod and clutch toward the operating mechanism and whereby the latch engages the pin, a toe on the clutch for opening the latch and releasing the rod, and. a s ring on the rod for returning the latter and or moving the clutch out of engagement with the operating mechanism.
The combination. with a metal melting fm nace, of a spout., mounted to turn, lea
ing therefrom, a Dump delivering molten metal through said spout, operating mechanism for the pump, a clutch controlling said operating mechanism, a .movable rod, a rack, a projection and a. pin on saidrod, a 'groove1n'the friction clutch for the reception/of the projection of the rod, a latch for engaging said pin, a segment engaging with the rack for moving the rodvand clutch toward the o Jerating mechanism and Where by theljatch, `ocks the pin, a toe on the clutch for opening the latch and releasing the rod,
and a. spring for returning the. rod and for moving the clutch out of engagement With the operating mechanism;
5. The combination with a metal melting furnace, of a spout mounted to turn, a pump delivering molten metal through said spout, operating mechanism for said pump, a spindle carried by said spout, a handle or handles on same for adjusting the position on the spout, a loose collar on said spindle, and a handle or Vhandles on said collar, and lmeans whereby the operating mechanism for the pum 3 can be controlled from said collar.
Signe March 1903.
A, WALTER SCOTT. -Witnesses:
. FREDI-BEEKEN, WILLIAM R. DORMAN.
at New York this 23rd day of
US15076003A 1903-04-02 1903-04-02 Stereotype-plate-casting apparatus. Expired - Lifetime US951382A (en)

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