US258195A - Metal-rolling mill - Google Patents

Description

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. TURITCHLOW.' METAL V13.01.1.11m MILL. No. 258,195. 4 Patented May 16, 1882.Y i

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THOMAS CRITCHLOW, OF STEELTON, PENNSYLVANIA.

METAL-ROLLING lVIlLL.

SPECIFICATION forming part of Letters Patent No. 258,195, dated May 16, 1882,

i Application filed June 20,1831. (No model.)

To all whom it may concern:

Be it known that I, THoMAs OarrcHLow, of Steelton, in the county of Dauphin, and in the State of Pennsylvania, have invented cer-` tain new and useful Improvements in the System of Machinery for the Manufacture of Rails, Beams, &c.; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accom panying drawings, and to the letters of reference marked thereon, making a part of this specification.

This invention relates to certain improvements in machinery for the manufacture ot rails, beams, Src.; and it has for its object to provide, iirst, means for the easy and ready feed of the ingot to the feed-rolls, and, secondly, to provide means for automatically manipulatin g such ingot while on the feed-rolls, whereby it may be brought in line with the several passes of the respective sets of blooming, roughing, and finishing rolls, the peculiar features of which means will be more fully hereinafter pointed out, and which are distinguished from what has been heretofore done in these essentialparticulars, namely: I em-` ploy an inclined.feeding-train for feeding the ingot, whereby a valuable saving of manual labor is effected, as contradistinguished from a horizontal feeding-train, and a manipulatingcarriage for slidingand turning the iu got, provided with vertically-operatin g plungersadapted to be projected upwardly and engage thel ingot, as contradistinguished from a standard' on which the ingot is lowered by dropping the heavy horizontal feeding-trains down to the point of the standard.

Figure 1 represents a side elevation of my system of machinery, and Fig. la a continuation of Fig. 1. Fig. 2 represents a plan View of the same, and Fig. 2a a continuation of Fig.

2. Fig. 8 represents an enlarged plan view of a section of the feeding-rolls and manipulating devices. Fig. 4 represents a vertical section on the line .n x of Fig. 3. Fig. 5 represents a section on the line y y of Fig. 3. Fig. 6 represents a side elevation ot' a section of the apparatus.

In the drawings, the letter A indicates the blooming-rolls, B the roughing-rolls, and C the finishing-rolls, the former mounted in suitable bearings in the respective frames D and E, and the rolls C being also provided with a suitable supporting-frame. In said frames, at each side of the rolls, are arranged a series ot horizontal rollers, G, upon which the ingot travels, the said rollers receiving their motion from the miter-wheels H and I, the latter being mounted on a shaft, K, which receives its motion from any suitable motor.

` The letter L indicates a train of wheelsjournaled in an inclined frame at the front end of the frame D for the purpose of conveying the ingot to the feed-rolls. l

The rolls A are provided on their peripheries with a series of grooves, M, gradually decreasing in width from one end to the other, for the purpose more fully hereinafter specitied.

The letter N indicates a carriage, which is mounted upon a series ot' transverse rods, P, and adapted to travel back and forth upon the same, receiving its motion through the medium of the, rods R, secured to the cross-head S, attached to the outer end of a pistou-rod, .T, which is operated by a piston, U, in the cylinder V. The carriage is located below the feedrollers G, and is provided with a series of hol- `low standards extending up between the rollers. The said standards are provided with vertically-reciprocating plungers A', the upper ends of which, when' in a normal position, are below the upper surfaces of said rollers G., The lower ends of the plungers are provided with racks B', which intermesh with a series of pinions, C', which are mounted upon the shafts C2, pro-vided withv pinions G3, which intermesh with a horizontally-reciprocating rack, D', mounted upon rollers E'. The said rack is connected to the piston-rod F', operated by, avpiston, G', in the cylinder H'.

The frame E is provided with feed-rollers similar to those of the frame D, and with similar feed devices, and the frames D and E are connected by means of an inclined train of rollers, I'. i

The `letter F2 indicates a train of rollers, which serve to carry the in gots to the finishing-rolls.

F3 indicates 'a train of rollers t0 carry the nished bars away.

It will be perceived that the inclined train IOO of rollers connecting with the forward end of the frame D is located at one side, while the train that connects with the frame E extends from the opposite side, connecting with the said frame E at one side, the train connecting with the finishing-rolls extending from the opposite side of frame E, and the nal train eX- tending from the opposite side of frame F, as clearly shown in Fig. 2 of the drawings.

The in got is passed overthe first-mentioned train of rollers onto the first section of feedrollers, by which it is fed between the grooves at one side of the blooming-rolls. After passing between said rolls it is fed back again by reversing the engine. The plungers A are then elevated by means of the reciprocating racks and intermediate geanwheels until in position to engage the ingot, when, by moving the carriage to one side by means ofmechanism for the purpose, previously described, the bar or ingot will be carried into position to be run through the next succeding grooves in the bloomingrollers. This operation is repeated until the ingots are discharged at the opposite side of the frame from which they enter. They then pass successively to the frames Eand F,'where they are worked through the roughing and nishing rolls successively in the same manner as in thecase ofthe blooming-rolls D, as above described, and are linally passed out of the machine.

During the operation the ingots may be turned from time to time 'by fully elevating the plungers, so that the lugs K may strike the lower edg'c of the ingot at one side and thus shift it.

In operating my invention the ingots are taken directly from the molds in condition to be rolled without reheating and delivered to the first train of rollers, and from thence conveyed to the bloomingrolls, thus saving the time and expense of reheating.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, 1s-

1. In machinery for the manufacture of rails, beams, and the like, substantially as herein set forth, the traveling carriage for manipulating theingot, located in close proximity to the feedingrolls, and provided with one or more vertically-operatin g plungers, as described, and for the purposes specified.

2. In machinery for the manufacture of rails, beams, and the like, substantially as herein set forth, the combination therewith of the succession of inclined feeding-trains situated in line with the alternate opposite ends of the blooming, roughing, and finishingrolls, whereby a continuous feed of the in got may be main tained, as herein specified.

3. In machinery for the manufacture of rails, beams, and the like, substantially as herein set forth, the combination of the succession of inclined feeding-trains with the manipulatingcarriage having vertically-operating plun gers, whereby the ingot may be readily fed to the feeding-rolls and transversely moved thereon for the purposes specified.

In testimony whereof I aHix my signature, in presence of two witnesses, this 12th day ot' May, 1881.

THOS. CRITCHLOVV.

Witnesses:

G. W. J AeKsoN, HENRY LAU.

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