US426084A - vaughn - Google Patents

Description

(No Model.) 2 Sheets-Sheet 1.

O. W. VAUGHN. MACHINE FOR MAKING BESSEMER CONVERTER NOZZLES.

No: 426,084. Patented Apr. 22, 1890.

W din/asses. fw/wn/to-r (No Model.) 2 SheetsSheet 2. O. W. VAUGHN.

MACHINE FOR MAKING BESSEMER CONVERTER NOZZLES.

Patented-ApLZZ, 1890.

II I In g WM UNITED STATES PATENT OFFICE.

CALVIN \V. VAUGHN, OF OUYAIIOGA FALLS, OHIO, ASSIGNOR TO THE TURNER, VAUGHN & TAYLOR COMPANY, OF SAME PLACE.

MACHINE FOR MAKING BESSEMER-CONVERTER NOZZLES.

SPECIFICATION forming part of Letters Patent No. 426,084, dated April 22, 1890.

Application filed December 4, 1889 Serial No. 332,539. (No model.)

To all whom it may concern:

Be it known that I, CALVIN \V. VAUGHN, a citizen of the United States, residing at Cuya hoga Falls, in the county of Summit and State of Ohio, have invented a certain new and useful Improvement in Machines for Making Bessemer-Converter Nozzles, of which the following is a specification.

My invention has relation to improvements in machines for forming from ground and tempered silica or other analogous material the nozzles through which. the metal flows from the converters in the Bessemensteel process, but may be employed in the construction of other articles composed of compressed plastic material.

The objects of my invention are to secure rapid and intense compression of the plastic material, to eject the completed article from the mold, and generally to simplify the construction and. reduce the number of parts.

To these ends my invention consists in the peculiar construction and combination of parts hereinafter described, and then specifically pointed out in the claims, reference being had to the accompanying drawings, which form a part of this specification.

I11 the accompanying drawings, in which similar letters of reference indicate like parts, Figure 1 is a front elevation of my improved machine 3 Fig, 2, a side elevation of the same; Fig. 3,21, detached side elevation of the revolving core and its driving mechanism, and Fig. at a central. vertical section of the mold and connected. parts in the plane of the lift ing-rods.

Upon a frame A is mounted a cylinder 13, containing a piston, which may be operated. by steam, water, or other agent, the pistonrod of which extends through the upper cylinder-head and carries a crosshead O.

The operation of the piston is regulated by a valve D, operated by a hand-lever E, pivoted to the frame A.

Depending from the cross-head O are parallel rods F F, which connect at their lower ends with a cross head or yoke G, carrying a hollow shaft H, which slides in a tubular guide I, attached to the base of the frame A, and moves in alignment with the cylinder B.

Upon the yoke G is amold J to form the exterior of the nozzles, inside of which is a plunger K, attached to the upper end of a rod L, which passes through the hollow shaft H, and has its lower end connected with across head or yoke M. From the ends of the yoke M two parallel rods N N project upward through the base of the frame A and the brackets O O, and at their upper ends bear nuts, by which the distance between the brackets and yoke M may be adjusted.

The plunger K consists of a cylinder (or prism, if the interior of the mold be a polyhedron) accurately fitted to slide in the mold J, and of such length that when its base rests on the yoke G its top will rest in the lower end of and constitute a bottom for the mold. In the top of this plunger is a tapering depression P, less in diameter and located cen trally within the mold to form a tapering tenon on the lower end of the nozzles, in the bottom of which depression is a central orifice Q to receive the core hereinafter referred to, and beneath this orifice a chamber R to receive any surplus material that may be pressed out of the mold by the core. It will be obvious, however, that the form of this plunger will vary with the form of article to be pressed, its functions being twofold-viz., to constitute a bottom for the mold. and to push the completed article from the mold.

Below the cylinder B is journaled in suit able bearings attached to the frame A and in alignment with the axis of the cylinder and mold a short vertical shaft S, bearing a bevel-gear T, which meshes with a similar bevel-gear U on one end of a horizontal shaft V, on the other end of which is a pulley TV.

To the lower end of the shaft S is attached by any suitable device a core Y, consisting of a pointed shaft to form the orifice in the tuyere.

The mold J and plunger K, with their immediately connected parts, are so arranged that when the yoke G is at the end of the downward stroke of the piston the rods N N, arrested by the brackets O 0, will sustain the plunger K at the upper end of the mold with in Figs. 1 and 2.

In operation the core Y is caused to revolve rapidly by power conveyed to the pulley W. Steam is applied to the cylinder and the mold J raised sufficiently to permit the plunger K to descend by gravitation to the bottom in the position shown in Fig. 4, when the mold is charged with the material to be operated upon. Steam is again applied and the mold raised until the core enters the chamber R, by which operation the material is compressed between the mold and core to the desired shape. The motion of the piston is reversed and the mold descends with the completed article until the nuts on the rods N N encounter the brackets O O and arrest the downward movement of the plunger K, which, as the mold continues to descend, forces the completed article upward until at the end of the stroke it stands on the plunger at the top of the mold, whence it is removed by hand.

I claim as my inven tion The combination, with the lifting-cylinder and its piston-rod, of the yoke 0, connectingrods F F, yoke G, bearing the mold J and hollow shaft H, the plunger K, shaft L, yoke M, rods N N, and brackets O 0, all constructed and arranged substantially as shown, and for the purpose specified.

In testimony that I claim the above I here.

Images