US240119A - Machine for making string-nails - Google Patents

Machine for making string-nails Download PDF

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US240119A
US240119A US240119DA US240119A US 240119 A US240119 A US 240119A US 240119D A US240119D A US 240119DA US 240119 A US240119 A US 240119A
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dies
wire
wheel
machine
nails
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating

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  • This invention relates to mechanism for making string-nails for boot and shoe work
  • said machine making, as herein shown, stringwhich enables me to make from a wire of a given size a nail with a larger and more perfect head.
  • Figure 1 represents, in left hand side elevation, a string-nail-making machine embodying my invention
  • Fig. 2 a vertical cross-section on the dotted line mm
  • Fig. 3 is a partial righthand side view of the said machine, the top of the lower and the bottom of the upper feedwheel being broken out, one of the dies being in section on the dotted line y y, Fig. 5.
  • Fig. 4 is a detail of the rear side of a slotted washer placed on the shaft which carries the headupsetting disk, the said washer showing an annular series of teeth to be forced into engage ment with a like annular series of notches made at the end of a rocking sleeve, through which the boltcarryin g the washer is extended.
  • Fig. 1 represents, in left hand side elevation, a string-nail-making machine embodying my invention
  • Fig. 2 a vertical cross-section on the dotted line mm
  • Fig. 3 is a partial righthand side view of the said
  • FIG. 5 is a top view of the Wireclamping dies and part of the ends of the jaws with which they are connected;
  • Fig. 6, a face view of one of the said dies. the upsetting-disk.
  • Fig. Si a detail showing the wedge at the end of the hand-lever employed to cause the loose belt-pulley to be forced at the proper times in close contact with the fly-wheel fast on the main driving-shaft, so as to rotate the said shaft and operate the machine.
  • Fig. 9 is an edge view of the lower or main feed-wheel, and Fig. 10is an end view of the sleeve g in contact with which the washer h is forced.
  • the main frame-work A of the machine will be of proper shape and strength to support the working parts.
  • the main shaft B has fixed to it the fly-wheel O, the two hub-cams D E, and the lever-moving disk D provided with studs or rolls a b, that during the rotation of the said disk and shaft B act on the wings a a (see Fig. 2,) having shanks extended through the levers F F, pivoted at F and carrying at their upper ends the wire-clamping dies 0 e, the said dies being attached by bolts 2 3.
  • the shanks of the wings a a are held in the levers F F by the set-screws 4, and are made adjustable horizontally by the adjusting devices 5, (shown as threaded bolts,) the adj ustment of the wings withrelation to the jaws enabling the dies to be closed together properly, notwithstandingvariations in their width.
  • the jaws are opened and dies separated by the spring Or when the wire is being fed, suitable lugs, 01 d, on the jaws meeting adjustable stops 61 d controlling the distance between the separated dies andthe upper ends of the lovers F F.
  • the hub-cam D receives a stud, 6, or a roller thereon, connected with the lower end of a sector-toothed feed-operating lever, f, having its fulcrum at f, and engaged with the toothed wheel f on the shaftf which is rocked by it, and which at its other end (see Fig. 3) has connected with it a pawl-carrying disk, 1", provided with a spring-controlled pawl, 8, which engages the teeth of a ratchet-wheel, f (see Figs. 3 and 9,) connected with or forming part Fig.
  • the uppermost feed-wheel, 02 or that which acts upon the wire to press it firmly on the lower feed-roller, n, with sufficient force to insure the forward movement of the wire to, has an annular groove in its periphery, as shown in Fig. 3, where a part of the periphery of the said roll is broken out.
  • the axis 14 of this wheel n is carried by an arm, 41 secured in place by screw or, and the wheel mounted loosely thereon is simply a pressure-wheel, rotated by the wire 20 as the latter is moved by the wheel a.
  • the wire to is led from a suitable reel or coil through the guides 12 13.
  • the hub-cam E receives a stud, 7, or a roll thereon, connected with the lower end of the vibrating sector-lever g, pivoted at g.
  • This sector-lever engages a toothed sector, 9", connected with or forming part of a long sleeve, 9 extended through a bearing, 1 forming part of the frame-work A, as in Fig. 2.
  • the forward end of the sleeve which is made to rock in the said bearing, is provided with a radial series of teeth and notches, 32, Fig. 10, just such as represented by the series of teeth and notches 16 at the rear side of the washer h, (see Fig.
  • the shoulder 19 of the cutter by the movement of the sleeve in one direction, is caused to cut into the uppermost portion of the wire to, exposed between the dies 0 6, (see Fig. 5,) and raise up some of the periphery of the wire and crowd such part back into the head-forming cavities 20 of the said dies, (see Fig. 6,) thus shaping the part of the metal so disturbed or shoved back on the main body of the wire to form a suitable head with a beveled under side.
  • each die immediately at the rear of the head-forming cavities, is corrugated or grooved to corrugate or notch the shank of the nail just below its head as the dies are closed on the wire 20 by the levers F F.
  • the transverse notch 33 (see Figs. 5 and 6) in the dies 0 6 permits the cutting-disk i to dip into the wire, to, exposed in the said notch.
  • the ends of the dies beyond the said headforming cavity 20 are suitably cut at 23 to receive and not change the shape of the nail-head as the dies are next closed and a head is being formed for a succeeding nail of the series of string-nails.
  • the same cut that forms the head for a nail forms the point for the nail headed at the next preceding action of the dies and cutting-disk.
  • the string-nails will pass from the dies through a guide, 25, thence over a yielding take-up spring, 26, to a reel, on which it will be wound, as in the patent referred to.
  • aloosc belt-pulley, 7c On the shaft B is aloosc belt-pulley, 7c, having its outer side face made conical to fit a conical seat in the fly-wheel 0, fast on the shaft B, when the said pulley is forced laterally against the fly-wheel.
  • the pulley 70 or its hub 36 has placed against it a loose sleeve, 37, on shaft '13, (see Fig. 8,) having a lug, 38, against which and between said lug and the stationary frame A works the wedge k connected with the hand-lever it having its fulcrum at k, the movement of the wedge 70 in the direction of the arms on it, Fig.
  • a pair of dies having head-forming cavities and notched transversely to expose the upper portion of the wire held in the said dies, combined with the oscillating cuttingdisk adapted to cut into the exposed part of the said wire to form a point for one nail, and force that portion of the wire partially separated from the main body of the wire in the formation of the said point into the head-forming cavities of the said dies, substantially as described.
  • the dies provided with head-forming cavities and notched transversely to expose the body of the wire to the action of the cutting-disk, the levers F F to move the said dies, and the disk-cutter to cut into the said wire held by the said dies and form the point for one and the head for another nail, substantially as described.

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  • Mechanical Engineering (AREA)
  • Forging (AREA)

Description

= (No Model.) a Sheets-Sheet 1.
L. GODDU. Machine for Making String Nails. No. 240,119 Patented'April 12,1881.
NJETERS. PHOTO-L mos N, u c
no Model.) a Sheets-Sheet 2.
L.G O DDU. Machine for Making String Nails. No. 240,119. Patented Apri| 12, 188i.
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N. PEVER$. PHOIO-UTNOGRAPNER WASHINGION D 0 UNITED STATES PATENT OFFICE.
LOUISGODDU, OF WINCHESTER, ASSIGNOR TO THE MGKAY METALLIC FASTENING ASSOCIATION, OF BOSTON, MASSACHUSETTS.
MACHINE FOR MAKING STRING-NAILS.
SPECIFICATION forming part of Letters Patent No. 240,119, dated April 12, 1881.
Application filed February 11, 1881. (No model.)
To all whom it may concern Be it known that I, LoUIs GonDU, of Winchester, county of Middlesex, State of Massachusetts, have invented an Improvement in Machines for Making String-Nails, of which the following description, in connection-with the accompanying drawings, is a specification.
This invention relates to mechanism for making string-nails for boot and shoe work, the
said machine making, as herein shown, stringwhich enables me to make from a wire of a given size a nail with a larger and more perfect head.
In this invention I have greatly simplified the construction of the mechanism as compared with my patented machine, making it more rapid in operation and stronger an d more certain in action. I have arranged the wirefeeding devices to turn about horizontal axes, have connected the wire-clamping dies with the upper ends of long levers which open and close like nippers, and have connected with a rocker-shaft a notched wire-cutting and headupsetting disk, which may be readily ground as it is worn away.
Figure 1 represents, in left hand side elevation, a string-nail-making machine embodying my invention; Fig. 2, a vertical cross-section on the dotted line mm. Fig. 3 is a partial righthand side view of the said machine, the top of the lower and the bottom of the upper feedwheel being broken out, one of the dies being in section on the dotted line y y, Fig. 5. Fig. 4 is a detail of the rear side of a slotted washer placed on the shaft which carries the headupsetting disk, the said washer showing an annular series of teeth to be forced into engage ment with a like annular series of notches made at the end of a rocking sleeve, through which the boltcarryin g the washer is extended. Fig. 5 is a top view of the Wireclamping dies and part of the ends of the jaws with which they are connected; Fig. 6, a face view of one of the said dies. the upsetting-disk. Fig. Sis a detail showing the wedge at the end of the hand-lever employed to cause the loose belt-pulley to be forced at the proper times in close contact with the fly-wheel fast on the main driving-shaft, so as to rotate the said shaft and operate the machine. Fig. 9 is an edge view of the lower or main feed-wheel, and Fig. 10is an end view of the sleeve g in contact with which the washer h is forced.
The main frame-work A of the machine will be of proper shape and strength to support the working parts. The main shaft B has fixed to it the fly-wheel O, the two hub-cams D E, and the lever-moving disk D provided with studs or rolls a b, that during the rotation of the said disk and shaft B act on the wings a a (see Fig. 2,) having shanks extended through the levers F F, pivoted at F and carrying at their upper ends the wire-clamping dies 0 e, the said dies being attached by bolts 2 3. The shanks of the wings a a are held in the levers F F by the set-screws 4, and are made adjustable horizontally by the adjusting devices 5, (shown as threaded bolts,) the adj ustment of the wings withrelation to the jaws enabling the dies to be closed together properly, notwithstandingvariations in their width.
The jaws are opened and dies separated by the spring Or when the wire is being fed, suitable lugs, 01 d, on the jaws meeting adjustable stops 61 d controlling the distance between the separated dies andthe upper ends of the lovers F F.
The hub-cam D receives a stud, 6, or a roller thereon, connected with the lower end of a sector-toothed feed-operating lever, f, having its fulcrum at f, and engaged with the toothed wheel f on the shaftf which is rocked by it, and which at its other end (see Fig. 3) has connected with it a pawl-carrying disk, 1", provided with a spring-controlled pawl, 8, which engages the teeth of a ratchet-wheel, f (see Figs. 3 and 9,) connected with or forming part Fig. 7 is a side elevation of of the lowermost feed-wheel, it, having an annular and preferably corrugated groove, 30, to receive and firmly engage the wire w, to be formed into stringnails sn. This lever f and pawl-and-ratchet mechanism just referred to impart to the lowermost feed-wheel, a, an intermittin g movement for the proper distance, according to the length of each nail to be produced from the wire to.
The uppermost feed-wheel, 02 or that which acts upon the wire to press it firmly on the lower feed-roller, n, with sufficient force to insure the forward movement of the wire to, has an annular groove in its periphery, as shown in Fig. 3, where a part of the periphery of the said roll is broken out. The axis 14 of this wheel n is carried by an arm, 41 secured in place by screw or, and the wheel mounted loosely thereon is simply a pressure-wheel, rotated by the wire 20 as the latter is moved by the wheel a. The wire to is led from a suitable reel or coil through the guides 12 13.
The hub-cam E receives a stud, 7, or a roll thereon, connected with the lower end of the vibrating sector-lever g, pivoted at g. This sector-lever engages a toothed sector, 9", connected with or forming part of a long sleeve, 9 extended through a bearing, 1 forming part of the frame-work A, as in Fig. 2. The forward end of the sleeve which is made to rock in the said bearing, is provided with a radial series of teeth and notches, 32, Fig. 10, just such as represented by the series of teeth and notches 16 at the rear side of the washer h, (see Fig. 4,)the radial series of teeth and notches of the sleeve and of the washer coming together, as shown at Fig. 2, and so engaging each with the other as to insure the movement of the washer with the sleeve without slipping after the nut k on the headed bolt h shall have pressed the cutting and head-upsetting disk against the washer and the latterfirmly against the end of the said sleeve. The washer is slotted at k to receive the pin 18, (see Fig. 2,) extended backward from the cutting-disk i, so that the latter is moved positively with the said sleeve, washer, and bolt it. The shoulder 19 of the cutter, by the movement of the sleeve in one direction, is caused to cut into the uppermost portion of the wire to, exposed between the dies 0 6, (see Fig. 5,) and raise up some of the periphery of the wire and crowd such part back into the head-forming cavities 20 of the said dies, (see Fig. 6,) thus shaping the part of the metal so disturbed or shoved back on the main body of the wire to form a suitable head with a beveled under side.
The portion 22 of each die, immediately at the rear of the head-forming cavities, is corrugated or grooved to corrugate or notch the shank of the nail just below its head as the dies are closed on the wire 20 by the levers F F. The transverse notch 33 (see Figs. 5 and 6) in the dies 0 6 permits the cutting-disk i to dip into the wire, to, exposed in the said notch.
The ends of the dies beyond the said headforming cavity 20 (see right of Fig. 6) are suitably cut at 23 to receive and not change the shape of the nail-head as the dies are next closed and a head is being formed for a succeeding nail of the series of string-nails. The same cut that forms the head for a nail forms the point for the nail headed at the next preceding action of the dies and cutting-disk.
The string-nails will pass from the dies through a guide, 25, thence over a yielding take-up spring, 26, to a reel, on which it will be wound, as in the patent referred to.
On the shaft B is aloosc belt-pulley, 7c, having its outer side face made conical to fit a conical seat in the fly-wheel 0, fast on the shaft B, when the said pulley is forced laterally against the fly-wheel. The pulley 70 or its hub 36 has placed against it a loose sleeve, 37, on shaft '13, (see Fig. 8,) having a lug, 38, against which and between said lug and the stationary frame A works the wedge k connected with the hand-lever it having its fulcrum at k, the movement of the wedge 70 in the direction of the arms on it, Fig. 8, forcing the sleeve 37, hub 36, and loose wheel 7c firmly against the fly-wheel fixed on the shaft B, thus rotating the said shaft. This clutch device is not herein claimed, as it is old in other machines. The guides 12 13 straighten the Wire. The upper ends of the levers F F are notched, as at 19, Fig. 5, to receive teeth at the backs of the said dies to prevent the latter slippin I claim- 1. In a machine for making string-nails from wire, a pair of dies having head-forming cavities and notched transversely to expose the upper portion of the wire held in the said dies, combined with the oscillating cuttingdisk adapted to cut into the exposed part of the said wire to form a point for one nail, and force that portion of the wire partially separated from the main body of the wire in the formation of the said point into the head-forming cavities of the said dies, substantially as described.
2. In combination with the feeding mechanism for the wire, and guides to keep it straight, the dies provided with head-forming cavities and notched transversely to expose the body of the wire to the action of the cutting-disk, the levers F F to move the said dies, and the disk-cutter to cut into the said wire held by the said dies and form the point for one and the head for another nail, substantially as described.
3. The levers F F and their dies 0 e, and the separate wings, combined with the rolls or studs to act on the said wings and operate the said levers to close the dies, substantially as described.
4. The levers F F and their dies, and spring to move'the levers to separate the dies, combined with the lugs d and stops d substantially as described.
IIO
5. The cutter i and washer, and oscillating sleeve and bolt to hold the cutter and washer firmly in the sleeve, and the sector, combined with means to move the said sector, and with 5 the dies 0 e, substantially as described.
6. The feeding-wheel n, ratchet-wheel f and pivot and pawl carrier, and wheel 17?, combined with the shaft f toothed gear f and means to impart to it and the said toothed wheel, shaft, and pawl-carrier a reciprocating 10 motion, substantially as described. I In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
LOUIS GODDU. Witnesses G. W. GREGORY ARTHUR REYNOLDS.
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