US1437855A - Gathering and discharging means for molten material - Google Patents

Description

H,A..MYERS. GATHERING AND DISCHARGING MEANS FOR MOLTE'PJ MATERIAL.

Fig. 7.

AFPLICATlON HLED 1ULY9,1920.

Patented Dec. 5, 1922.

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IN VEA/TDR MQW,

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Patented Dec. 5, 1922.

STAULS PAJENT OFFICE.

HUBERT A. MYERS, OF TOLEDO, OHIO, ASSIGNOR TO THE HUBERT A. MYERS COMPANY, OF TOLEDO, OHIO, A CORPORATION OF OHIO.

GATHERING AND DISGHARGING MEANS FOR MOLTEN MATERIAL.

Application le'd July 9, 1920. Serial No. 394,917.

panying drawings, and to the characters of reference marked thereon, which forma part of this specification. v

T his invention relates particularly to the 'molding art, and has for its object the provision of simple and eiiicient means for gathering quantities of molten material, such as metal, glass, or the like, all of which maybe referred to broadly by the term metal, and deliveringr the gathered material to receiving molds.

The invention is fully described in the following specification, and while, .in its broader aspect, it is capable of embodiment in numerous forms, a preferred embodiment thereof is illustrated in the accompanyingl drawings, in which,-

Figure 1 is a top plan view of an apparatus embodying the invention. Fig. 2 isa side elevation thereof with a portion in section on the line 2-2 in Fig. l and. with'a Crucible and a vmold fragmentarily shown 1n connection therewith, and Fig. 3 isa section on the line 3--3 in Fig. 2.

'Referring to the drawings, l designates a standard having a block or portion 2 at its top forming a bearing for a vertical shaft 3, the upper end of which is threaded to form a worm section 4. A bevel gear 5 is fixed to the lower end of the shaft 3 and is driven by a meshing pinion 6 iixed to a crank shaft 7. rThe shaft 7 is journaled horizontally in a portion of the block 2 and has a crank '8 at its outer end to facilitate a manual turning, inthe present instance, of the shaft.

A gross-arm 9 is centrally threaded on the worm section 4;, whereby a turning of such section relative to the cross-arm will impart raising or loweringr movements to the cross-arn'is depending on the direction of turning' of the worm. The worm is provided at its outer end with a collar 10 which limits the outward movement of the crossarm thereon.

A bevel gear 11 is loosely journaled on the.. shaft 3 on the top of the block 2 on .which itrests and has turning movements imparted thereto from a crank 12 (Fig. 3) the shaft of which is journaled in the block 2 and carries a pinion 13 in mesh with the gear. The shaft 3 has a collar 14 at the lower end of its worm section t for shouldering'on the 'gear 11. One or more pins 15 project upward from the gear llvand loosely enter holes 16 in the hub portion of the cross-arm 9 to permit vertical movements of the cross-arm relative to the pins and to cause the cross-arm to have rotary movements with the gear 11, as is apparent.

A gathering receptacle 17 is carried at each end ofthe cross-arm 9, being of any suitable heat resisting material `and being,

removably held to the arm by removable clamps 18, or in any other suitable manner. These receptacles, in the present instance, are of cup-form and each is provided at its lower end with an aperture 19 through which molten metal mayv enter and be discharged from` the receptacle. The aperture 19 of each mold is controlled by a respective valve 20, which is carried for Vertical reciprocatory movements by a vertically movable bracket arm 21, which has cushioned coaction with the valve stem 22 through the medium of a compression spring 23. The bracket arm 2]*'is guided forvertical reciprocatory movements by a standard 24 projecting upward from the respective. end of the cross-arm 9, and the vertical movements of the bracket arm are controlled by the turning of a pinion 25 in mesh with a vertical rack 26 on the inner end of the bracket arm. A shaft 27 is journaled at its central portion in a bearing 28 rising from the cross-arm 9 near its center and is journaled at its ends in the standards 2-1 lengthwise of the cross arm 9. This shaft has bevel gear connection 29 at each end with the shaft 30 of the respective pinion 25, so that a turning of the shaft 27 will impart uniform raising and lowering movements to the bracket arms 21 and valves 2O at each end of the cross-arm. vT he turning of the shaft 27 is controlled by a hand crank 31, the shaft of which is journaled in the standard 29 and has a worm in mesh with a worm wheel 32 on the shaft 27.

A crucible or other suitable source of supply, for molten metal is disposed below a gathering receptacle l? whcn the latter is in one position ot its movement whereby the receptacle may be lowered int-o the crucible to receive 'a measured quanttity of the metal therefrom and then raised above the crucible .tor the purpose of transferring to a point ot' delivery ol the gathered metal to a mold 34, which, in the present instance, is disposed in diametrically opposed relation to the criiciblc so that when one gathering receptacle is in vertical register with the crucible the other is in vertii cal register with the mold. A number of cruciblcs 33 and molds 3l may be provided and successively moved into registering relation with the gatliei'ed position ot' the receptacles in one case and with the discharging position thereof in the other lase.

In the operation of an apparatus embodying the invention, the cross-arm E) being elevated, the operator turns the same by a turning of the crank l2 so as to place one gathering receptacle 1T in vertical register with a supply criicible 3,3 and with another gathering receptacle in vertical register with a mold 3l. The crank 8 is then turned to eli'ect a lowering ot the cross-arm and a consequent lowering ot' the gathering receptacles to submerge the lower end of one a predetermined extent into the molten metal in the registering Crucible. The crank 31 is then turned to raise the bracket arms 2l and move the valves 20 to uncover the apertures 19 in the bottoms of the gathering receptacles so that metal from the crucible will enter and 'seek its level in the receptacle which is gathering a supply of metal, while the metal in the other gathering receptacle will be permitted to discharge into the subjacent mold 34. The operator then turns the crank 3l in the reverse direction to lower the valves to close the apertures 19 and then operates the crank 8 to raise the cross-arm and gathering receptacles an e\` tent sufficient to enable them to be swung so as to place the filled receptacle in register with a mold and the empty receptacle in register with a criicible. This being done,

the previous operation ot lowering the crossarm and opening the valves is repeated.

It is evident that my apparatus provides for the gathering or' a measured quantity of molten metal, which quantity may be varied depending on the depth of submergence of the receptacles in the metal and the size of the same, and also'that while only two gathering receptacles are shown in the illustrated embodiment of the invention, any number of such receptacles may be employed and carried by means which is movable to transfer the receptacles from gathering to discharging position, and vice versa.

I wish it understood that my invention is not limited to any specific construction, arrangement, or form of the parts, as it is capable of numerous moditications and changes without departing from the spirit ot' the claims.

Having thus described my invention, what l claim as new, and desire to secure by Letters Patent, is,`

l. ln an apparatus of the class described, a. pair ot' gatheringreceptacles each having an opening in its bottom, a movable meniber carrying said receptacles, means operable to vertically move the member to lower the bottom portion of one receptacle into a subjacent` molten bath. and then to raise it therefrom and to raise and lower the other receptacle with respect to a subjacent mold, and means operable to simultaneously open and close the receptacle openings when the receptacles are respectively in gathering and discharging positions.

2.- lii an apparatus of the class described, a pair ot' gathering receptacles, each having an opening in its bottoni, means carrying said receptacles for simultaneous uniform raising and lowering movements and for revoluble movements to reverse their positions, means operable to vertically move the carrying means to raise and lower the receptacles, and closure means for the receptacle openings operable to simultaneously open and close the openings.

l 1n testimony whereof I have hereunto signed my name to this specification.

HUBERT A. MYERS.

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