US542739A - -perkins - Google Patents

Description

(No Model.) 2 Sheets-Sheet 1. E. PERKINS.

MACHINE POR MAKING HORSESHOE NAIL BLANKS. No. 542,739. Patented July 16, 1895.

illuml'ffl f a @A 'l y"Il Mlnessesr. lnigrzlor 4 /Zi 5%./ zWzW/A e (No Model.)

E PERKINS MACHINE FOI;J MAKING HoRsBsHoB NAIL BLAIIKS. 1\Io..5l1=2,739.4

`Patented July 16, 1895.

NrrED `STATES PATENT Y OFFICE.v

EBEN PERKINS, OF ST. JOHN, CANADA.

MACHINE FOR MAKING HORSESHOE-NAIL BLANKS.

SPECIFICATION forming part of Letters Patent No. 542,739, dated July 16, 1895. Application filed June 7, 1894. Serial No. 513,790. (N0 model.) Patented in Canada. October 9, 1894, N0- 47`|214 4To a/ZZ whom t may concern:

Be it known that I, EBEN PERKINS, machinist, of the city of St. John, in the county of St. John, in the Province of New Brunswick, Canada, have invented certain new and useful Improvements in Machines for Making Horseshoe-Nail Blanks, (patented in the Dominion of Canada October 9, 1894, No. 47,214,) ot' which the following is 'the specification.

My invention relates to improvements in machines for making horse-nail blanks; and the object of the invention is to provide a simple machine for making horse-nail blanks out of a continuous rod or coil of crucible or other steel; and it consists essentially of passing the rod, which is necessarily rectangular in cross-section, through a series of pairs of rolls, each alternative pair bei ng horizontally and vertically journaled, and such pairs of rolls being of increased diameters and situated at increased distances apart, proceeding from the end at which the rod enters, and having their peripheral faces constructed so as to properly act upon such rod, and the machine being otherwise constructed and arranged in detail, as hereinafter more particularly explained.

Figure l is a perspective View of my machine as it will appear when complete, showing the rod passing through the rolls. Fig. 2 is a diagrammatic view showing a side elevation of the rolls and the form of the rod as it is passing through such rolls. Fig. 3 is a plan of the rolls, and also showing in the plan the form ot' the rod. Fig. 4 is a detail of a complete-section of the rod as formed into horse-nail blanks.

In the drawings like letters of reference indicate corresponding parts in each figure.

A is the frame of the machine.

B B are rolls secured on the vertical spindles b b near their upper end. rl`he spindles b b are journaled in the horizontal bearingbox c, which is suitably secured to one side of the frame of the machine. The rollsB B are located in juxtaposition, as shown, and

l are operatively connected together, so that they rotate in opposite directions by the gearpinions D and `D, which mesh with each other. i i

E is a set-screw for adjusting the vertical spindle b nearer to'or farther from the'spindle b', so as to regulate the distance between the rolls B B. As this method of adjustment is a common one I do not show it in detail.

F F are the upper and lower rolls, which h are secured to the horizontal spindles f f suitably `journaled in the vertical bearingbox G. The rolls F F are situated directly one above the other and aregeared together by the pinions H. j

g are set-screws designed to adjust the position of the upper roll F in the usual manner. The rolls F F are slightly larger than the rolls B B.`

I I are the next succeeding rolls,rwhich are secured on the end of the vertical spindles 'L' i', suitably journaled in the horizontal bearing-box J. The rolls I I are of increased diameter to the preceding pair, andare geared together by the pinions K K; The roll I is adjusted by means of the set-screw J.

L L are theV next succeeding pair of rolls, which are journaled on the horizontal spindles l l, journaled in the vertical bearing-box M. The rolls L L are of increased diameter to the two preceding, and are geared together by the gear-wheels N, and the upper roll L is adjusted by the set-screws m.

O O are the next succeeding pair of rolls, which are secured on the ends of the spindles o o', which are journaled in the horizontal bearing-box P, and are geared together by the gear-wheels Q Q', and are of increased diameter to the preceding rolls. The roll Q is adjusted by means of the set-screw p.

R R are the next succeeding rolls, which are situated directly one above the other and secured on the ends of the spindles r r', journaled in the vertical bearing-box T. The rolls R R arev geared together by the gearwheels S S', and are of increased diameter to the two preceding rolls, and the upper roll is adj usted by means of the set-screws t.

U U are the next succeeding pair of rolls, which are secured on the ends of the spindles of increased diameter to the two preceding rolls. The roll U is adjusted by means of the set-screw t.

X X are the next succeeding pair of rolls,

Awhich are situated directly one above the other, and are secured on the end of the spindles .fr oc', which are journaled in the vertical bearing-box Y. The rolls X X are geared together by the gear-wheels Z, and are of increased diameter to the two preceding rolls. The roll X is adjusted by means of the setscrews y.

The spindles b t" O U extend below their respective bearing-boxes, and have secured to them the gear-wheels b2 2 o2 u2. 2 3 4: are

intermediate gear-wheels meshing with the the figure to the point of exitof the completed gear-wheels b2 2 02 u2, forming a chain of gear-wheels. The spindle u of the roll U also extends beneath the bearing-box V', and has a beveled gear-wheel u2, which, is driven by the beveled gear-wheel 5 on the countershaft 6, which is driven through the beveled gearwheel 7 on the countershaft and beveled gearwheel 8 on the main driving-shaft 9.

I0 isa gear-Wheel secured on the main driving-shaft 9 and meshing with the intermediate gear-wheel 1l, which in turn meshes with the gear-wheel12 on the end of the spindle The horizontally-journaled rolls are driven through a similar chain of gear-wheels and intermediate gear-wheels as the verticallyjournaled rolls, and as this is apparent it is notnecessary to go further into the description of the same. c

It is sufficient to say that all the rolls are driven at the same rate of speed, whether from the horizontal chain of gear-wheels or from the vertical chain of gear-wheels.

In Figs. 2 and 3 Ishow elevations and plan of the rolls in diagrammatic form. In the latter figure is shown the rolls B B', between which the rod 13 is first fed.

B2 are a series of six grooves or recesses made ,directly across the peripheral Aface of each of the rollsB B. These recesses are equidistant from each other on such peripheral face. Each of the rolls I I O O U U are also provided with a series of grooves or recesses I2 O2 U2 made directly across their respective peripheral faces. The width of each A. of these grooves or recesses is exactly the same of rollssuitably driven, the upper one of each of all the rolls. The wheels shown in the plan are intended to act upon the side of the rods, so as to form the side of the head of the nail blank.

In Fig. 2, which shows an elevation of the horizontally-journaled rolls it will be seen that all the lower rolls-namely, FL R X- are made perfectly cylindrical without any cross-recesses. The upper rolls F L R are made with a series of cross-recesses F2 L2 R2 cutting directly across the peripheral face of *maree each roll. The grooves are situated equidistant from each other upon such peripheral faces. These latter rolls are intended to form the top of the head of the nail-blank. It will be noticed that the roll X has a series of six Vshaped cutting-edges or projections X2, extending directly across the peripheral face and equidistant from each other. These are intended to form the indenture 13 to the rear of the head of each nail-blank'as to the direction the nail-blank is moving. There are also a corresponding number of grooves X3 made across the peripheral face in juxtaposition to the projection X2.

As hereinbefore described the rolls including both the vertically-journaled and the horizontally-journaled rolls increase in size from the point of entrance of the rod, which is in this instance shown at the left hand side of nail-blank. The distance between the rolls and the position in which the recesses of the rolls are set are so regulated that the heads will always come into the recesses as the rod passes through the rolls. As the rolls increase in diameter from left to right it necessarily follows that the portion of the rod outside the J head of the nail-blank is gradually squeezed or drawn out till it reaches its full extent at the last roll X, where the end of the nail-blank is indented, as shown, preparatory to being severed. The head, however, will always remain the same width and depth and one side of the rod will remain perfectly iiat,'as indicated in Figs. 2 and 4. From this description it will be seen that the nail-blanks may be formed continuously out of one rod or coil of suitable metal in the method hereinbefore described ready for the nishing-machine. It

' is preferably wound on a drum; but as this forms no feature of my invention I do not describe the method in 4which it is wound.

It will, of course, be understood that in forming the recesses across the peripherial faces of the rolls that one side of each recess will be preferably beveled off, so as to form the inner beveled portion of the beveled head. It

l will also be understood that in forming the rod into the nail-blanks the portions of the l rod from which the heads are formed are not y reduced in the rolling-machine but left at their original size.

What I claim as my invention isl. A series of horizontally journaled pairs pair of which is provided with a series of IOO IOS

IIO

notches extending across its peripheral face l and the lower rolls vbeing perfectly cylindrical, the rolls being of increased diameter and f situated at increased distances apart from the point of feed of the rod, as and for the purpose speciiied.

2. The combination with the vertically jourl`naled pairs of rolls, each pair of which has v suitably formed notches formed across the pe- ISO 'ripheral faces, of thehoriontally journaled pairs of rolls, the upper roll of each pair of which has notches extending across its peripheral face, and the lower roll of each pair being perfectly cylindrical, the horizontally jonrnaledl rolls being interposed between those vertically journaled and so arranged that the co-acting arcs of the horizontally journaled rolls are in direct alignment with` the (zoacting arcs of the vertically journaled ro rolls, and all the rolls being of increased diameter from thepoint of feed of the rod and driven at a uniform speed, as and for the pur pose specified. a

EBEN PERKINS.

Witnesses:

ALEXANDER HERLEY BARNHILL, CHARLES FENsoN SANFORD.

Images