US1848249A - Automatic pouring device - Google Patents

Description

vlwal'ch 8, 1932. AM W, GOLDBERG ,848,249

AUTOMATIC POURING DEVICE Filed sept. 3, 1959 3 sheets-Sheet 1 ATTORNEYSl M. W. GOLDBERG AUTOMATI C POURING DEVI CE Filed sept. 5, 1929 WIM ATTORNEYJ 3 Sheets-Sheet 2 IN VEN TOR.

Eff/W March 8', 1932. M. w. GGLDBERG l848249 AUToMATIs POURING DEVICE Filed sept. 3, 1929 3 sheets-sheet 3 IN VEN TOR.

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n Patented Mar. S, 1932 Unir-.en

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f iviAX W. .eoLnBEne, or ron'r einsame-ron, Wisconsin, 'Assienora {Bimensuel-Assrenivinnrrs, To Monnnnnenrivinnr cciviritNY, or roar WASHINGTON; Wiscoivsrnf" Y A oonronn'rlon or WIscoNsrN aurea/inria Pennine envien j Appiieanopn sied september 3 iezaljfseriai iraaeons. 'ff

This v invention Vrelates to improvements in automatic pouring devices.

` It is one ot tlie objects of this invention to provide an improved pouring device for use in' conveying and pouring molten metal in foundries,in which automatic means ispro# Lvided' forraising andlowerin'g tlie ladle.A

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urtlier object of this invention is to pro- 'vide an automatic pouring device lhz'ivingy vmeans for automatically stopping tlieinove- VVment of the ladle'lioflding rod vWhen said rod has beeneither raised or lowered to a predetermined point.

A further object of thisinvention is to vprovide an automatic pouring device which is electrically operated and which has means for conducting current V"froman overhead vtrolley to the device, the said means''permitn ting sWivelling ott-he entire device support to facilitatepouring. l p A further object lof this invention 'is to providean automatic pouring device inwliich a novel type of housing is provided for the driving gears a further yobject of this inventionis to provide-an automaticpouring device which is eflicientin operation, and Well adaptedl for the purpose described'.

v form of the invention, inWliicli the same refrsame parts in erence numerals designate the all of the views: Y

Fig l'is aV perspective viewot the entire device;y Qi Fig.' 2 yis an enlarged Jfront view thereof, parts ybeing broken away and parts being shown in section;` j Y 'f Fig. 3 is 1an enlarged-side,- viewyot 'the vdeA vice, parts being broken away andf'parts beingfshown in section ;f Y i f Fie'. 7, showing the ladle holding rod in con'ipletelyhraised positiony Y l? ig. 4 is detail view showing-the lower VYlimiti"switch in openfposition, Yparts" being y broken 'away and' arts being -slifown in sction;

Fign is a detailyieWo'tlii'e upper'portion of the'devi'ce, parts beingbroken awaygand parts'beingslioivn infsection; h Y" Fig. 6 is another detail vie'iv of -lthe Ppe? portion ofk the ldevice:'taken onilineGQG-of Fig. 7 is a. sectional'vieW'talren'on/line 7?-7 of Fig.: 5; and j f l Fig. vSis thelovver' gear housing.

Referring to .tliedraW-ing's, the numeral Y10 vdesignates a` supporting portion having-.fa lcentral bearing 11 and liavinghsupprting.

arms 112 extendingv upwardly from ea'c'sliiv 'end thereoi, 'said supporting arms carrying lrotat'ably mounted Wheels l'which'ride in v,an

overli'eadrail 14. Secured to one`l endet the supporting memberA 11, and eXtendii'ig` trans- 'versely thereof, is a 'barl 115 on Wliiclitrolley a' vertical sectienalvieiv through members 16 are sli'dably mounted. *The 'said "i715 trolley. members carry trolley 'wvli'elsflat their upper ends which are adaptedto:en-Y gaofe' with trolleywvires 18; f

- khe 'device proper 'con'ipijisesfa tubiilar 7,.

member 19l Within' which a ladle?holding rod 2O is` carriedfThe said ladle holding' 'mem'- ber isprovided -tvitli'threads 21. l'llieupperv end ofthe tubular member 19 is enlarged asat 22, vand 'has alower threaded portionf23 and an upper threaded portion 24.'V Nuts 25 26 are threaded on theportion's 123 and-24 respectively. The enlarged portion 22: offtli'e tubular1 member 19k is alsoprovidedwithifa shoulder 27. Positioned betv'eensaid slioul- 'der 27 and the nutv25'is` anfinsulatingsleeve u 28. Rings 29, yWhich surround saidsleeve,

are formed of a ysuitableelectricalIcoiiduct- V'n vma eria. sai yrin s'ar Y L i g t l The d g e soficed apart byl insulating disks 30 '(seeFigsL` and 6). Positioned between tl-'ie shoulder V.27 and the nut 262is a sleeve llliavingan enlarged "upperfend portion 32. The'said sleeve Slis kpositioned Within the bearing portion-110i the supporty l0, the' enlarged yportion 3210i said sleeve resting on the upper end-ot said lil 3 bearing 11 and preventing downward movement of the device, and also providing a swivel connection between the supporting member 10 and the device proper.

A disk 33 is provided with a downwardly projecting hub ortion 34 which lits within the interior of t e tubular member 19. Extending downwardly from said hub is a rod 35. Rods 36 extend downwardly from the disk 33 through bores in the enlarged portion 22 of the tubular member 19 and have their lower ends secured to a collar 37. The said collar loosely surrounds the sleeve 19, and is provided with downwardly diverging sides 38.

Nuts 39 arey threaded on the upper ends of the rods 36 and secure said rods to the disk 33.

The lower end of the tubular member 19 is threaded as at 40 to receive the upper portion of the lower gear housing 41. The lower portion V42 ofsaid gear housingis provided with a central opening 43, and is secured to the upper portion of the housing by means of bolts 44. The upper portion of the gear yhousing is of step formation to provide a plurality of chambers 45, 46 and 47 therewithin. At one side of the upper gear housing 41 is a bea-ring 48 forthe drive shaft 49.` The said drive shaft carries a rigidly mounted gear 50 near its lower end. On each side of the gear are roller bearing members 51 and 52 which are receivedr by pockets 53 and 54 of the housing. The gear 50 meshes with a larger gear 55 which hasan interiorly threaded cent-ral bore 56 .within which the ladle holding rod 21 is threaded. The toothed portion of the gear 55 extends downwardly below the lower face of the gear, as at 57. The central portion of the gearis stamped upwardly, as at 58, to form an annular recess 58 surrounding the hub 59 of the gear, the latter extending both above and below the upwardly stamped portion 58.

' The lower ortion of the gear housing 42 is rovided wlth an upwardly extending annu ar portion 60. A roller bearing 61 is positioned within said ring and between the same and the hub 59 of the gear 55. Another roller bearing 62 surrounds the upper portion of the hub 59. An inverted cup-shaped member 63, having a central opening 64 and having its inner sides tapering as at 65, is posisioned over'the roller bearing 62 to hold the same in place. A washer 63 is positioned above said cup-shaped member. Bolts 66, extending from the upper surface of the upper portion 41 of the gear housing, extend Withln the chamber 45 and bear against the top of the washer 63. By turning said bolts the cup-shaped member may be forced downwardlyto adjust the amount of friction between its tapering sides and the roller bearwhich adriving motor 68 is supported. Thek said driving motor has a downwardly extending drive shaft 69, which is connected by means of a coupling portion 70 with the drive shaft 49 extending upwardly from the gear v housing.

Threaded on the tubular member 19, above the gear housing, is a bushing 7l, and surrounding the tubular member 19, above said bushing, is a sleeve 72. An arm 73 extends angularlyV upwardly from said sleeve, said arm carrying'a contact box 74 on its upper end. Within said box is a fixed contact 75 and a pivoted movable contact 76, the lower end of said movable contact projecting from the bottom of the box and beingprovided with a wheel 77. An arm 78 has its lower end pivoted to the lower portion of the arm 73 as at 79. Rotatably mounted on an intermediate portion of said arm is a wheel 80. The upper end of the .arm 78 is adapted to engage the wheel 77 of the movable contact member 7 6.

The wheel 80 extends through a slot 81 in the sleeve 72 and in the tubular member 19 and rides within a groove 82 which extends longitudinally of the ladle holding rod. At the upper end of the rod and communicating with said grove is a recess 83 forming a shoulder 84. When the ladle holding rod reaches the limit of its downward movement, the

wheel 8() engages the shoulder 84 and is forced outwardly. This causes the upper end of the arm 78 to engage the wheel 77 and to cause movement of the movable contact 76 to break the connection within the Contact box 74.

A conduit box 85 projects from the tubular f member 19, and has extending downwardly therefrom a pipe 86, the lower end of said pipe carrying a switch box 87. f

A bracket 88 secured to the tubular member 19 carries a contact box 89, said contact box having a fixed contact 90 therewithin and a pivoted movable Contact member 91. latter member has its upper end extending kthrough the top of the box 89 and carries a and through the rods 36 which have their i` klower ends connected to the collar 37.

The said collar is moved upwardly, its tapering side engaging the wheel 92 of the contact The f member 91 and causing the contact within the box 89 to be opened.

l Starter switches 93 and 94 of the usual construction, one being arranged to cause operation in one direction and one being adapted to cause operation in the reverse direction, are

supported from the upper portion of the tubular member 19 by means of a supporting bar 95 which is secured at a central portion to the tubular member 19.

Extending from the lower portion of the support 10 at one end thereof is a Contact .conduit box'85. h

" made betweensaid conduit box 85 and lthe terrazas supportf96 having aplnrality ofbores97 within `which contactmembers 98I are Slidably positioned, said contact fngershaving their inner ends engaging coiled springs 99 in the .A lusual manner. Theouterends of said contact yfingers engage the yring-shaped contacts 29'on the upper end of the sleeve 159.

Qn the lower end of the rod 21 a bail 100 is carriechrand,within-said bai-l alladle 101 is pivotally mounted. y y

The trolley members '.-16 are connected by wires 102 kwith the contact fingers 98.

the trolley thereto. The enlarged upper portion 22l of kthe tubular member .19, is 'formed withgrooveslOS. Within said grooves .wires Y104 are positioned A(-seejFigs. 5 and 7), the

said wires having oneend-in connection with l the contact-rings 29 and having-their other ends extendingdownwardly and connected with the starter box 93. The'st'artergbox 93 is connected bya conduitlO with thefstart-er box 94. Conduits 106 and 107 extend 'from the starter boxes93and 94 tothe conduit box 85. Y Vires 108 extend from the limitswitch vbox 89 to the conduit box 85, and lwires '109.

extend from the limit kswitch box 4 to the Suitable vconnections f are motor 68 byfmeans of a conduit '110, and wires V111 vextend downwardly through the pipe 8,6l Yto the switch box 87 on the lowerend thereof. The said switch box 87-is provided with a button 112 whichis adapted to bring the starter 93 into operation to cause downward movement pof the ladle, and with a buttonV 113 which is adapted-towbring the starter 94 into opera-tion to cause upward movement of the ladle.

' rl'he operation of the device is, as follows: The pouring'deviceA may be moved along the overhead rail 14 to a desired position ad# i jacent the'molds which are/to be poured. The vdevice is then swiveled within the bearing 11 to adesired angle. 'Itis to be noted that this swivelling of the deviceidoes notinrany way interfere with the conducting of the current from the overhead trolley wires, inasmuch as the Contactr rings r29 and fingers 98 have Vbeen provided to permit thisY swivelling. In

Vmoving' the devicel along the overhead rail Aand in swivelling the same, the operator uses the pipe 83 which is conveniently shaped` to 1 provide an operating handle. AThe operator then pressesthe button 112. which, through the starter 93, causes the electric motor 68 to' operate. This causesl rotation of the gear and the larger gear 55; `Als the ladle hold-V ing rodis threaded vwithin the'gear 55, rotation of said gear'causes the'ladle holding rod to Vbe moved downwardly; with the tubu- Ilarmember 19to lower the ladle 101. The said ladleholding rod will be automatically moveddownwardly until the wheel has en- 'lhe c said contact fingers,` which frietionally Aengage the rings 29, cond ucttheelectricity from gagedthefshoulder 84,150 cause separation of the contacts Z6 and 75.A This will automatically stop the motor 68.. Y

After the molds lhave been poured, if itis f desired to raise the ladle, the operator presses, the butt-on 113. This brings the motor68` again into` operation, but ina reverse direction-throughthe reverse starter 94. Accordingly the ladle holding rod 21 is lraised-until its upper end .engages the lowerendr of .theW

rod 35 to. cause upward vmovement ofthe disk 33, rod 36`and collar 37. The latter engages the wheel 92 on the Contact; lever 91-to separatefthecontacts and 91 and stop the motor. r y n Y Fromthe above description it may be seen that a very difficult problem has been solved Y in providing-an electrical vpouring device in which current is supplied from overhead trolley wires in such away that swivell-ing ofthe verted 'cup-shaped ymember 63 downwardly.

Although only one form of the invention has been shown and described,.it is not desired to be limitedto this exact showing, and it is to be understood that all changesk and modifications are contemplatedas may fairly come within the scope of the claims.

. lVhat l claim is:

1. A lmetalpouring device comprisingk a frame, a vertically movable ladlesupporting rod carried by said frame, saidrod having a shoulder thereon, electric motor means for automatically moving said rod :to adjust the height-,of the ladle, and a limit switch in connection with "said motor and carried by said frame and adapted to be engaged by the shoulder on said rod when. the latter has moved a predetermined distanceto cut off-the supply of Acurrent to the electriomotor.

2. Ar metal Vpouring device comprising al frame, al vertically movable ladlezsupporting rod carriedbysaidframe,electricmotormeans for automatically moving. said` rodtoY adjust theheight of the ladle,wa limit switch in connection with` said motor'and carried by said frame, and means.adaptedY to be engagedby the upper end of said rod when the latter'has been move upwardly a predetermined distance and engageable with said limit switchl to cutoi the supply of current tothe electric motor. y

3. A metalpouring device .comprisingja frame, a tubular member carried by said frame, `a ladlesupporting y.rodvertically l movably positioned within said tubular memf ber, relectric motor means for automatically moving said rod to adjust the height of the ladle, a limit switch in connection with said motor and carried by said frame, a downwardly projecting member movably posi- -tioned within the upper end of said tubular membeig a collar loosely surrounding said tubular member and connected with the downwardly projecting member, said collar being movable upwardly upon engagement ofthe upper end of the material supporting rod with the downwardly projecting member, andl said collar when so moved being engageable with the limit switch to cut olf the supply of curi'ent to the electric motor.

4. A metal pouring device comprising a frame, a gear having a thrcadedbore rotatably positioned in said frame, a threaded ladle supporting rod in threaded connection with the bore of said gear, and motor means for rotating said gear to cause movement of said 'ladle supporting rod to'adjust the height of the ladle.

5. A metal pouring device comprising a frame, a tubular member carried by said frame, a gear housing in connection with said tubular member, a gear having a threaded bore positioned in said housing, a threaded ladle supporting rod slidably carried within said tubular member and having a. threaded yconnection with the bore of said gear, and

motor means for rotating said gear to cause movement of the ladle supporting rod within the tubular member to adjust the height of the ladle.

6. A metal pouring device comprising a frame, a tubular member carried by said frame, a gear housing carried by the lower end of said tubular member, said housing hav- 'ing an upper opening communicating with the interior of the tubular member and having a lower opening, said lower opening being surrounded by an inwardly extending annular portion, a gear having a threaded bore through the lower opening of the housing, and motor means for rotating said gear to -cause movement of the ladle supporting rod within the tubular member to adjust the height of the ladle.

7. A met-al pouring device com rising a frame, a tubular member carrier` by said frame, a gear housing carried by the lower end of the tubular member, said housing havingan upper opening communicating with the interior of the tubular member and having a lower opening, a gear having a threaded bore, a threaded ladle supporting rod slidably carried within said tubular member and beingthreaded through the bore of the gear, the lower portion of ysaid rod extending through the lower opening of the housing, a bearing member loosely surrounding said rod both above and below the gear, means for vertically adjusting said bearings, and motor means for rotating the gear to cause movement of the ladle supporting rod within the tubular member to adjust the height of the ladle. f

8. A metal pouringdevice comprising a frame, a vertically movable ladle supporting rod carried by said frame, electric motor means for automatically moving said rod to adjust the height of the ladle, a limit switch in connection with said motor and carried by said frame, and means in connection with the krod engageable with said limit switch when the rod has moved a predetermined distance to cut ofi the supply of current to the electric motor.-

9. A metal pouring device comprising a movable supporting portion, a frame pivotally connected thereto, a ladle supporting rod carried by said frame and movable substantially coaXially with respect to said pivotal connection,an electric motor in connection with said frame, means between said motor and said ladle supporting rod for causing movement of the latter upon operation ofthe electric motor to adjust the height of the ladle, and means including rotary contact members embodied in the pivotal connection between the frame and the supporting portion for conveying electricity from an outside source to the electric motor without interfering with the pivotal movement of the frame on the support, ysaid pivotal movement of the frame on the support providing for rotation of the ladle to vary the position of the spout thereof without varying the position of the ladle.

In testimony whereoil affix my signature.

MAX W. GOLDBERG.

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