US12194A - Machine for making nuts and washers - Google Patents

Description

, 111111111111011. MAUHINE FOR MAKINGl NUTS AND WASHERS.-` No. 12,194. Patented Jan; 9. 1855.

ROBERT BRAYTON, OF BUFFALO, NEW YORK.

livi-AGHINE EOE MAKING NUTS AND lWii'sHERs.

Specification of Letters Patent No. 12,194, dated January 9, 1855.

To all 'whom t may concern Be it known that I, R. BRAYTON, of Buffalo,

in the county of Erie and State of New York, have invented a certain new and useful Machine for Making Nuts and Washers;

and I do hereby declare that the following is a full and exact descript-io-nof the construction and operation of the same, refer-1 ence being had to the annexed draw1ngs,

making `part of this specification.

Figure l is a front elevation; Fig. 2, an; end elevation; Fig. 3, a back View; Fig. 4, a:

transverse section in the direction of the lines in` Figs. 1 and 3; Fig. 5, a vertical;

Section, the other views are detached sections which will be referred to in description.

Like letters designate like parts in the.

i the plates directly after the nut is thrown several figures.

The devices for lnaking the nuts and wash-i ers are attached to a piston rod operated byi the laction of steam or compressed air ini making nuts and washers and also for dis-i charging the same from the forming box when made. By this'means the dies acquirei a power double, effective, and instantaneous@ by the gravity of piston, rod, head block, &c., and the force of steam on the piston. Asi the nuts and washers are thusformed in theil box and discharged by an instantaneous and percussive action and reaction of the vpiston the punch and dies are not injured by thef heat from the` bar.

In the ordinary ma-j chines the dies and punches are continuous in the mode of operation and compara-L tively slow, as the blank is first cut oif from the bar, then punched, and compressed into shape or by other continuous modes of operation substantially the same, whereby the dies and punches consequently remain longer in contact with the heated metal and soon become impaired, and imperfect nuts and washers made thereby.

The movements of the piston and dies are controlled and operated by a steam valve in combination with other suitable means asv hereafter described whereby the motive power is applied alternately to each end of the piston as may be required.

T o enable others skilled in theart to make and use my invention I will proceed to describe its'constructon and operation with reference to the drawings.

A, the bed plate upon which rests the columns B, B. These columns support the top plate C, and cylinder D, the sections A, B, C, constitute the frame work of the machine and are secured together by bolts in 4any desirable manner.

The vsteam cylinder D, is attached to the top plate C, on the underside of which is-'the piston rod stuiiing box C. vTothe cylinder is secured the steam chest E, Figs. l and 2, provided with receiving and exhaust'pipes, and `communicating with the cylinder in the ordinary way. F, Fig. 5,-'the piston secured to the piston rod F", the lower endV of which forms the head-'block F, which slides in the guides G, Gr, formed in the v columns. At each end of the guides. are secured a series or combination of metallic .plates YHIH', H H. The plates H H,"ease the action of the machine at the termination of the back stroke,

as the head block is brought in contact with straining when :broughtin contact invv formf ingnuts and washers and also gage'the nut or washer to any uniform thickness according to the number of plates. VButat thesame time steam may be received into the cylinder at either end so as to act in concert with the plates if desirable. f f g The die block I, is secured to the a-nvilJ, by the side keys K, K, by which it is readily adjusted and keyed in place:

L, is a spring guide supported and attached to the bed plate by the brace L. One end of the spring surrounds the upper por'- tion of the die block on three sides as seen in Fig. 4L, and is raised forming a shoulder above the die block, as seen in Figs'. 1 and 3, but only on two sides L L, Fig. 4, which may be a little above the die block thereby it does not become heated as would be the case if the bar rested upon the die block. By means of this guide the bar is quickly adjusted in place for the dies. The punch .M is fitted to the head block and extends through the check N, andA checkplate N', so that they slide independently of the punch. The check N, is fitted to slide 'also injgthe forming box O, while the box is secured, in the case or ring P. The box O, and case thus combined is 4attached to the Head. blOGl Fifa by bolts, and plates, as seen at Q, Q, Fig. 6.

Fig. 7 represents in sections the devices d escribed as being directly employed in mak-4 ing nuts andy washers, and Fig. 8, shows av vertical section of the combination of the ico V upper end of the piston, the head block descends to the position seen in Fig. 5, which causes the die block I, to pass a little into the forming box O. By this contact the nut is punched by the punch passing into the hole of the die block, and is cut off from the bar by the contact of the die block I, and forming boX 0; the nut or washer being compressed into shape in the chamber of the forming box. is punched, cut off from the bar and swaged into lform simultaneously at one blow or stroke of the piston, and by the reverse. stroke the nut is thrown out from the forming boX. As the nut is being forced into the chamber of the forming boX, the check N, which slides in it, rises from the position seen in Figs. l and 2, to that shown in Fig. 5. When the check plate N, is raised up against the head block, by the check N, then stops, until the nut is thrown out, by the c heck plate being brought in contact with `the check bars B B, when it drops down as seen i'IFigS. 1 and 3. The nut is made and discharged by a percussion or stroke of the piston and so instantaneous as not to injure the tools by the heated metal, which distinguish it from all others in use.

R, Figs. 1 and 2, is the valve rod to which is attached by a nut at the lower end, a spiral spring S, in the caseT, as indicated by the dotted lines in Fig. l. The rock shaft U, works upon a wrist attached to the frame and one end plays in a slot in the valve rod and the other end is connected to the reversingv rod V, by a pin oint. W, is a reversing pin attached to the head block and plays in thei reversing link V; which is a part of the ro The lower end of the rod is flat in which is the hole a, for the reception of the check bolt b, which passes into the hole by the force of the spiral spring attached to it as seen in Fig. 2. The finger c, loosely clasps the check bolt on each side as seen at C, Fig. 4, where there is a shoulder on the bolt which allows the linger to withdraw it from the hole a. The lower end of the finger works upon a pin joint at d, Fig. 2, with the trigger e. The catch f, is connected to the linger c, by a pin joint and catches in to the trigger e, as shown in Fig. 2.

When the piston is up the trigger is supposed to be in the position shown and when it is detached from the catch the piston descends and the trigger is thrown back in place by the spring g. 71., is a brace attached to the frame for securing the devices in Thus the nut or washer place. The head block F, and piston being up and the trigger in place, by lightly pressing upon the trigger e, the check bolt b, is drawn out of the hole a, in the reversing rod, at that instant the steam valve is reversed by the spiral spring S attached to the end of the valve rod, and the steam applied to the upper side of the piston. The down stroke of the piston being simultaneous with the head block and as the head block descends, the reversing pin W comes in contact with the lower end of the link V, thereby reversing the steam Valve so that the head block ascends, and by means of the check bolt b, entering the hole a, in the reversing rod V, as .it descends by the action =of the reversing pin W, the head block is held by the force of steam on the under side `of the piston in its former position, ready to descend again on pressing the trigger e. On the instant the check bolt is withdrawn from the reversing rod, the piston, and head block, inake an instantaneous double stroke forming the nut or washer by the punch and dies on the descent of the piston and detach- A ing the nut or Washer on the ascent, in the manner before set forth.

I design to arrange the reversing link and rod, in connection with the rock shaft U, so as to cut olf steam by the reversing pin W, at any desirable point of the down stroke.

I do not intend to confine myself to a vertical position in using the machine, nor eX- plicitly to the herein described arrangement. I do not contemplate changing the principle of its construction or operation in so doing.

Vhat I claim as my improvement and desire to secure by Letters Patent isl. The arrangement of the forming box O, case P, secured by the plate Q, to the head block F, operated by the piston F, in the cylinder D, as described, in their relation to the check N, check plate N, check bars B', B, punch M, and die I, for the purposes and as herein set forth.

2. I claim the metallic plates I-I H, and H, I-I as arranged in the slides G, G, in relation to the head block F, for the purposes described.

3. I also claim the spring gage bar L, the same being to protect the bed die from the heat of the blank or nut bar and also to gage its feed as set forth.

ROBT. BRAYTON.

Witnesses:

'IHAD P. SEARS, A. O. 'HUNTINGTON

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