US910448A - Method or system of casting articles in metals. - Google Patents

Description

S. BARNES.

METHOD 0R SYSTEM OF CASTING ARTICLES IN METALS. APPLICATION FILED JUNE 19,1908.

Patented Jan. 19, 1909.

4 SHEETS-SHEET 1,

S. BARNES. METHOD 0R SYSTEM OF CASTING ARTI ULES IN METALS.

APPLICATION FILED JUNE 19 4 SHEETS-SHEET 2.

Patented Jan. 19. 1909.

S. BARNES. METHOD 0R SYSTEM OF CASTING ARTICLES IN METALS. APPLICATION PILBD JUNE 19, 1903.

91 0,448. Patented Jan. 19, 1909.

4 SHEETS-SHEET 3.

S. BARNES. METHOD 0R SYSTEM OF CASTING ARTICLES IN METALS.

APPLIUATION FILED JUNE 19, 1908.

m H W 9 E w; t M w fw Q M m g W. m 4 n w 1 t m m w R M UNITED STATES PATENT OFFICE.

inner: :ixnsrs, or iriisrirvvnrve muuu; (mum. ASSIGNOR 'ro WILLIAM A. MILLS.

01*" PORT CHESTER, NEW YORK.

Specification of Letters Patent.

Patented Jan. 19, 1909.

Application filed. June 19, 1908. Serial No. 439,299.

To all whom it may concern:

Be it known that I, Soroirou BARNES, a citizen of the United States, residing at Maisonueuve, Province of Quebec, Canada, have invented an 1m 'Jrovement in the Method or System. of asting Articles in Metal, of which the following is a specification.

Heretofore in the art of casting articles; in metal it has been usual to arrange the furnace for melting the metal, the molding devices, core boxes and finished molds all in roximity 01' close relation to one another, ience in an establishment of any magnitude there are many ofsuch groups or small plants. This is not conducive to financial or operative economy or economy in. the force employed or in the output of the goods manufactured.

My invention relates to an economical and efiicient method or system of casting articles in metal, and in carrying out the same the furnace or furnaces for melting the metal and the ladles ordevices for receiving and pouring the same are arranged together and occupy a predetermined position to thede' vices for molding etc.

I arrange the pattern and molding devices l in series beneath suitable overhead hoppers containin the sand employed in making the molds. femploy a pit receiving the send as shaken out from thc'molds after removing the castings, an elevating conveyor for raising the sand from the pit to a higher level and delivering the same into a trough along which it is moved by pusher blades to supply said overhead hoppers.

One stretch of an endless track runs along the pattern and molding devices parallel therewith and with the higher level trough. Numerous cars run on these endless tracks and as the molds are completed and ready to receive the fluid metal they are placed on the cars and are run along to the furnaces and ladles where the metal is poured into the molds. These molds are successively filled and progressed. The metal cools during the progression and b the time the cars come around to the pit t 1e castings are cool enough to remove and the sand of the mold is thrown into the pit to be used over again.

The car and 'core or molding boxes are returned by the endless track around to the place of making up the molds where they are removed to repeat the operations.

These devices are advantageouslv duplicated in parallel series if desired, an thou 'h they are so shown and described herein, I do not limit myself to using them in duplicate.

By means of these devices a continuous casting method or system is maintained.

My improved method or system is particularly adapted to the casting of soil pipe although the same is equally well adapted for the casting of any duplicate parts of articles of manufacture.

In the drawing, Figure 1 represents by a general diagrammatic plan view the devices in duplicate which go to make up my im proved method or system. Fig. 2 is a cross section and elevation in larger size at about x, m, of Fig. 1 representing the elevating conveyors and the parts adjacent thereto. Fig.

i 3 is a diagrammatic side elevation of the conveyer and molding devices and Fig. 4 a plan of the top floor of the same. Fig. 5 is a side elevation and partial section and Fig. 6 a crosslsection and end elevation representing one of the overhead hoppers for holdin sand and the devices for supplying the san thereto, all oi: which is hereinafter more 1 particularly set forth. I

At a a in Fig. 1, I have ilulicated the position of the furnaces and at i: b I have indicated the ladles or devices for receiving the fluid metal and from which the same is to be poured into the molds.

. At 0 c I have indicated the pattern and molding devices in series.

At d d I have indicated core machines which would be em loyed in a particular plant for the manu acture of soil pipe for making the core which in the ca mg necessary for forming the pipe and aroun: which the metal is poured.

At 2 e I have represented a series of over head hoppers supported on suitable cross beams between suitable uprights which are. shown ap roximately in Fig. 2.

At f f l have indicated the pits provided for receiving sand from the molds after the casting has been removed.

At 9 g I have represented elevating con veyers of any desired construction dipping into the pits f f 1 and passing around suitable drums j ournaled in said pits and at their higher and upper ends passing around suitable drums jou nuled in said pits and at their higher. and upper ends passing around suitable drums supported on cross bearers IOU above the standards hereinbefore referred to. These conveyors elevate the sand thrown into the pits f f and deliver the same into the hoppers h It. From these hoppers the sand descends into the troughs t t on a level higher than the ground. The sand falling into these troughs i i is moved along progressively by the operation of conveyer or sand necessary a hand-rod 8 an chains 7: k and pusher blades l l and is progressively delivered to the overhead hoppers e e. I have shown and prefer to construct these overhead hoppers e e of a form taperin toward the lower end' with bottom p ates 2 and shafts 3 from which said plates are supported; each of the hoppers bein provide with a lever handle 4 and a cor and weight 5; said parts bein provided for effecting the removal of the ottom plates to discharge the sand and for the return of the same to close ed the supply of sand. These ho suspended slow a platform 17 and located directly above thepattern and molding devices c 0' so that the attendant molding the pattern in the molding device can supply machines with as much sand as is re uired moldin operation.

The troughs 'i i, on the higher platform 17 are provided with tapering openings 6 in the platform floor which vary in size, the same being smallest nearest to the elevating conveyers g g and largest at the distant end furthest away from said conveyers, for the reason that near the supply end there is of course more sand and most distant from the supply end less sand, so that the openings are provided of varying sizes and tapering, with the ob'ect of insuring as near as possible an equ amount of the sand pass ng to each of the overhead hoppers e 6 These openings are preferably provided in each in stance withja re ulating slide 7 actuated by d the hoppers are preferably laced between and supported b the side Frames 9, the upper edges of whic form the tracks 10.

The pusher blades 1 l are secured to the conveyor chains k k in any desired manner. For this purpose I prefer to employ and have shown the cross bars 11 having on their respective ends rollers 12 which run on the tracks 10 at the lower art of the conveyor and which part is perghrming the work of pushing along the sand.

At either end of the conveyor chains I employ a power shaft 13 and a pulley or belt wheel 14 and sprocket devices 15 for engaging the conveyer chains and for actuating the same. These devices are mounted in bearing brackets and other bearing brackets 18 are 'providedat suitable intermediate laces to holdup the upper or returning member of the conve er chains and the pusher-blades supports thereby.

ers are each connected to and from time to time in the I have shown and employ the endless tracks m m. These are arranged in parallel series which are also parallel with the attern and molding devices and the troug 's and conveyer chains on the higher level. The small cars n n are adapted to be run on these tracks and the tracks may be of any circular or elliptical proportions desirable and suitable for carrying out the system of casting according to my invention.

While 1 have shown in Figs. 1, 2 and 4, two series of casting devices, I do not limit myself to the emloyment of the same because while there y the roduct is doubled and more economical, stil a single track and a series of single molding devices and a single elevated conveyer, etc., may be emloyed to equal advantage but not of course or as great an output. y

The operation of the devices as generally shown and described herein is substantially as followsz-JVorkmen at the core machines prepare ,the cores which are placed in the attern machines and the complete mold for casting is made in the usual manner. These molds are placed upon the cars, the cars bein then by attendants run along the track to the place of pourin the fluid metal.

The curing is accomplis ed successively in the molds and they are progressed along the endless track. This track from the place cat articles are removed and the sand is removed from the molds and thrown into the pit and brokenup. The mold boxes are then returned by the cars around to the place where. suitable attendants remove them for the making of other molds.

The sand from the pits is conveyed to a hi her level by the elevating conveyors, is delivered into a hopper and from the hopper into the troughs on a higher level and is progressivel moved along the troughs by the pusher b ades of the conveyer chains so as to suppl the series of hoppers on a higher level an which hoppers come over thepat' tern or molding devices; thus the forming of cores, the making of molds, the pouring of the metal for the casting, the returning 0 the sand to a higher level to be utilized for the making of new molds is continuously performed by any suitable number of work men.

While I have shown in the drawing, two endless tracks, two endless conveyors for the sand, two series of hoppers and pattern or molding devices with two series of'cars on the track; two series of furnaces etc 'm is to be'understood that 'I do not thus limit my invention, as the same is equally useful in a single series. In fact the invention would not be complete as I contemplated,

moms

except by the use of one series, and while I have shown and described two series the some is only done as an indication of the extent to which the invention may he carried for a large output.

I claim as my invention:

1. A method or system of casting articles in metal, comprising an endless track, a series of cars movelle thereon, devices for melting and pouring metal, devices for preuring the patterns for casting in series and 111 line with said truck, series of hoppen for Supplying casting sand to the latter devices arranged. on a higher level and shove the same, a. conveyor lforclevntint: molding sand from the casting level to a, higher level, it trough for receiving the some from the con veyer and means for progressively moving the send along through the trough to supply the hop ers end means for manually actuating the ,ioppers to deliver the send.

2. A method or system of costing articles in metal, comprising an endless track, :1. series of ours inoval le thereon,- devices for melting and pouring metal, devices for pre paring the patterns for casting, in series end. in line with said track, series of hoppeis for supplying costing send to the letter devices arranged on a higher level and shove the same, a pit for receiving send upon the re movnl of the casting and in which the sand is broken up, :1 conveyer dipping into this pit and extending: to or higher level progressively eievnting the mud, hopper receiving and delivering the said send, u tmugh receiving said send from the hopper, an endless conveyer and forwarding l lzulcs attachedthcroto for progressively moving the send as delivered to the trough along through the some and supplying the hoppers.

3. A method or system of costing articles in metal, comprising an endless truck, e series of cars movohle thereon, dc 'iceq for melting and pouring nit-tail, devices for preparing the patterns for resting, in series and in line with said track, series of hoppers for supplying ousting send to the letter devices arranged on it higher level and ulovc the same, it pit for receiving! sand upon the TEL moral of the costing and in which the sand is lifOlilfll up, u conveyor dippiu; into this "-it and extending to :1 higher lcvel prrjigrcseia. elevating; the send. it lu pcr receiving 1: delivering the said send, u lrouph. receiviuir sold sand i'roni the hopper, on cndlcss co veyer and l'orwrrding l hides ettorhed lhorcto for progressively moving-lilo send us dclivcrcd to the trough along through 1hr- :-:ime and supplying: the hoppers, n, platform on it liiu'lierleicl upon which s: i l trough is llll ll, wit l1 opru Us therein forming mouths to hoppers the scIi='-::, uhich openii'lgs ar grsd micd i ine w h the o ject of supp iug all the iiri xapeis Jill! the some (pinning; :3; sand, and umnuelly ::u listed ocviccs tv which the send is removed from the hoppers as required for the pattern molding devices.

4'. A method or system of costing articles in metal, comprising an endless track, a. scmes of cars movnrle thereon, devices for melting and pouring metal, devices for preparing the patterns for casting, in series and in linc with said truck, series of hoppers for supplying costing send to the latter devices arranged on it higher level and shove the some, a pit for receiving send upon the removal ol' the resting and in which the send is hrolien up, it couveyer dipping, into this pit and extending to a higher level progressively elevating the send, hopper receiving and delivering the so id send, a trough receiving said send from the hopper, illl endless couvcycr and forwarding lilfttltS attached thereto for progressively movingthe send delivered to the trough along: through the some and supplying the hoppers, a platform on :1 higher level upon uhich said trough is built, with tulcuings therein lorluiuc; mouths to the hoppers of the series, which openings are graduated in size with the oliijcct of supply ing all the hoppers with the same quantity of send, and manually :ictuutcd devices hy which the send removed from the hoppers us required for the pattern molding devices, and menus for reguln ting; the size of the openings in the trough into said hoppers.

5. A method or svstcm of costing articles of metal, comprisir pmuillel spaced spurt endless trucks, scrrs of cars thcrcou, menus for melting and oouihug: mend locutcd he tween the parts oi the companion truelss, se ries of devices for lOIlIliilfJ the pattern and rnoldinp devic s lzotiveen the respective endless trucks, rm over-heed 'ilutiorm structure shove the is! er, :1 so its: ol hoppers agreeing in nunilcr i h the pittlern molding devices rind locntcd directly elrove the same, l'ncuns For closing the lover contracted ends oi said hoppers and menus {or umuuelly iii-rustling the some, series oi elenitiug' couvlrwrs placed at right angles to the trucks end for conveying molding: sand to a highe level, troughs along the platform on it highe level, endless conveyors and menus for :ictimting the tr"llll( :il-ovc said troughs, 11mins connect ed t- :iid convc err-r for progressively moving; shine through the troughs the molding mud delivered into the troughs from said elevating conveyors, the delivery platform having openings into said hoppers through which the and passes to supply the hoppers, and means for regulating the extent of said opt-lungs.

6. ilrniethod or system of ca ding articles of motel, con'rprising parallel spec-ed spurt endless trucks, series of cure thereon, means ior melting and muting meted located l etween the parts 01 the companion trucks, series of devices for forming: the pattern and molding devices liietu een the respective cudless tracks, an overhead platform structure above the latter, a series of hoppers agreeing in number with the pattern molding devices and located directly above the same, means for closing the lower contracted ends of said hoppers and means for manually actuating the same, its for receiving the molding sand, series of e evating conveyors placed at right angles to the tracks and for conveying moldin" sand to a higher level and into which pits said elevating conveyers dip, trou hs along the platform on a higher level, endless con veyers and means for actuating the same above said troughs, means connected to said conveyers for progressively moving along through the troughs the moldin sand delivered into the troughs from said e evating conveyers, the delivery platform having openings into said hoppers through which the sand passes to supply the hoppers, and means for regulating the extent of said 0 enings.

Signed by me this 15th day of lzlay 1908.

SOLOMON BARNES. Witnesses:

C. N. TAYLOR, STUART R. W', ALLEN.

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