US307736A - allen - Google Patents

Description

(NVENTOR S.

5 Sheets-Sheet 1` E. ALLEN 8v J. H. MORRISON.

MACHINE FOB. CUTTING OFP SPNOOL BLANKS. No. 307,736. Patented Nov. l1, 1884.

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E. ALLEN &,J'. H. MORRISON.

Y MACHINE FOR CUTTING OFP SPOOL BLANKS.

No. 307,736. Patented Nov. 11. 1884.

WITNESSES, :Nv-ENToRs.

JQMMQQW/ @m/@m u l 5 sheets-sneer, s. E. ALLEN & J. H. MORRISON. MACHINE FORCUTTING OPF sPooLy BLANKS.

(No Model.)

Patentd Nov. 1l, 1884.

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5 N 0 S I R R O M H. Tm o@ N E L L A R MACHINE FOR GUTTING OFP SPOOL BLANKS.

Patented Nov. 11, 1984.

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(No Model.) 5 Sheets-Sheet 5.

E. ALLEN in J. I-I. MORRISON.

MACHINE FOR CUTTING OFF SPOOL BLANKS.

Patented Nov. 11, 1884.,

WITNESSES,

lINVENTOR S thvrrnn rane Farrar ritieni EDVIN ALLEN AND J. HENRY MORRISON, OF NORVICH, CONN., ASSIGNORS TO THE ALLEN SPOOL AND PRINTING COMPANY, OF SAMEPLACE.

MACHINEFOR CUTTING OFF SPOOhmBL/i-NKS.

SPECIFECATON forming part of Letters Patent No. 307,736, dated November 1l, 1884.

Application filed November 17, 18H3.

To @ZZ whom t may concern:

Be it known that we, EDWIN ALLEN and J. HENRY Moral-uson, both of the city of N orwich, county of New London, and State of Connecticut, have invented certain new and useful Improvements in Machines for Automatically Cutting Off Spool-Blanks or Similar Articles of TNood, which improvements are fully set forth and described in the following` specification, reference being had to the accompa nying drawings.

Our invention relates to that class of machincs in which rounded rods of wood of any practical length are placed, two or more at a time, and, having passed through the machine, are delivered, sawed into desired lengths for spools, braid rolls, die., our improvements consisting, first, of means for holding and guiding rounded rods and a feeding device for moving said rods forward after each cut of the saw; second, to a peculiar arrangement of parts whereby the rods are moved forward a uniform distance, so that all blanks sawed are of exactly the same length; third, to mechanism for holding the rods while being sawed and for releasing the pieces when sawed-oif5 fourth, to a series of adjusting screws or nuts, by means of which rods of greater or less diameters may be held firmly in place; fifth, to

' a duplex system of feeders, holders, and adj listing-nuts, so arranged on each side of a reciprocating saw that as the saw moves backward after having completed a cut it engages other rods on the opposite side, thus sawing the rods on one side while the rods on the opposite side are being fed up and adjusted; sixth, to a safety-joint provided to prevent injury to the machine if by chance any of the parts should become clogged.

Our immediate object is to produce a machine which shall, with a single saw, produce more and better werk in a given time than has heretofore been done by the gang-saw machines77 commonly used, thus having but one saw to keep in order and avoiding the long delays which are invariably met in adjusting gang-saws to cut blanks of different lengths, and in keeping a series of saws in cutting condition.

In the accompanying drawings, Figure l is an elevation of our machine from the end where (No model.)

the rounded rods enter, the guide-troughs and feeder parts being removed. Fig. 2 is a detached view of the cam b, which moves the saw-frame back and forth. In Fig. 3 are de 55 tached views (side, top, and end) ofthe piece- H, which operates the rod-tighteners. Fig. Lshows, somewhat enlarged, t-he funnel-shaped guide, through which the rounded rods enter and in which they are held while being sawed. 6o Fig. 5 is a perspective view of the troughs in which the rods are laid, showing also the ways on which the follower shown in Fig. 6 travels. Fig. 7 is a vertical section of our rod tightcners or holders. Fig. 8 is an enlarged detached 65 view of the barrel, spring, and cord, which, when properly attached to the follower O, force the rods forward into the machine. Fig.

9 is an elevation of our machine from thelefthand side, as shown in Fig. l, having the 7o lower trough and a portion of the upper one in position. Fig. l0 is a detached view of the connectingrod which, together witha suit able lever-arm, operates our rod-tighteners,

as :more fully described hereinafter. Fig. 1l 75 is a top or plan view of our machine. Fig.

12 is a side elevation, enlarged, of the device for adjusting the blanks to proper lengths before sawing, Fig. 18 being an end view of the piece which is provided to pick off the 8c blanks when they adhere to the ends of the adj Listing-rods. Fig. li is an enlarged detached View of our device for operating said adjusting rods or screws.

A represents a table supported by suitable 8 5 legs or standards, B B', said table and legs being of size and strength sufficient to receive the various other parts of our machine.

Pivoted at a is a frame, C, made, preferably, of cast metal, its upper or free end being ar- 9o ranged to vibrate, and carrying back and forth with it a circular saw, belted substantially as in Figs. l and 9. This frame C is moved by a cani, b, on shaft F, said frame being held in engagement with said cam by a stiff spiral spring, c. rihe cam b does not act directly on or against frame C, but on a friction-roll, e, attached to piece d, which piece is pivoted to one arm of C below the plane of shaft F, (see Fig. 9,) the spring c being attached to the free roo end of said piece d. On the side of d, at a point level, or nearly so, with shaft F, is the One end of spiral spring c above mentioned is attached to the free-end of d, the other 'end being secured to table A. l

At a convenient point between friction-roll c and the free end of d is an adj Listing-screw, g, whose inner end acts against frame C for the purpose of regulating the tension of spring c. It will be evident that as cam b' rotates and the frictionroll follows its periphery both the piece d and frame C will be forced away from shaft F, straining spring c, and as said cam continues its round said spring will bring the'saw-frame back again, holding frictionroll e firmly against said cam at all times. Should the saw by any means become clogged and frame O refuse to move, the shaft and cam continue to rotate, forcing only the piece d forward, said piece acting in such an event on its own pivot, the frame() remaining still until the machine is stopped and xed by the opera-tor in charge.

Secured to the table A on either side of the machine are blocks G, each drilled to receive the` sliding rods h h,` provided to hold the rounded wooden rods while in the act of sawing, said holders being at right angle with the saw-arbor and wooden rods. The holes or chambers in blocks G are made sufficiently large, except at their outer end, to receive a stiff spiral4 spring, whose office is to force the sliding rods 7L 7L inward or toward the saw, the arrangement of parts being shown in Fig. 7. These springpresscd rodsJL h are thread ed on their outer ends, and carry adjusting-nuts i, which, when the machine is in operation, engage piece H as it slides out and back on rods h h. The inward stroke or movement -of said rods is limited by stop-pins K, the outward movement being regulated by adjusting the nuts i. Piece H is operated by a leverarm, I, jointed to a connecting-rod, J, which v in turn is operated by the cam m on shaft F,

f ing-rod J. Said inner end of .I is turned around' shaft F and extends outward a little more than the desired length of stroke to assist in keeping J in proper place on said shaft.

In Fig. l the rods 7L at the left-hand side are shown as forcedputward by the piece I-I and lever-arm I to allow the wooden rod to feed forward for a new cut, vthe rods 71J on they right-hand side of said figure being shown as thrown forward by the springs j' and reachinginto K. Vhen the nuts fi are lproperly adjusted, a very slight movement of rods h h is sufficient toaccomplish the desired result.

It will be noticed that while the machine is constructed to use but two wooden rods on each side, four holding-rods, 7L h', are usedtwo on each side of the line of the saw.

By actual experiment we find it desirable to support the sawed-off blanks independent ofthe -rod from which they are severed, and to do this we provide the holders h. If the blank sawed and the wooden rod were not friction-roll e, which bears directly on cam b. l held independent of each other, the saw as it movedv back, after completing a cut, would scrape and roughen the newly-sawed surfaces, or become clogged by the tipping of the piece sawed off. The pieces h hold said sawed-off piece rigidly in .position until the saw recedes, when the blank is released and falls into a suitable trough or box arranged to receive it. The feed-troughs L L are arranged one above the other, as in Figs. 5 and 9, and so located relative to the funnel-shaped piece K that the rounded wooden rods, when placed in the hollowed part of said feed-troughs, may be easily forced forward into said funnels. Each of the feed-troughs L Ll is constructed with guides or ways u, to receive the follower O,which ts loosely on said ways. Said follower is so shaped that a portion of it hangs ovei` or rests in the hollowed part of the trough, so that when a wooden rod is laid in said trough the follower bears against the outer end of the rod, and when connected with the device shown in Fig. S tends to force the wooden rods forward into the machine as fast as blanks are sawed off and removed.

The device referred to in Fig. 8 (also shown in Fig. 9) affords a compact and convenient means for drawing the follower inward on the ways a, as above described. Said device consists of a barrel containing a coiled spring and having wound on its outside a cord or strap, which, when in use, passes upward through table A over a friction-pulley and across the machine to the follower, to which the end is made fast. The general arrangement of the spring in the barrel F is similar to that of the maiuspring in clocks and watches. When the end of the cord o is properly attached to the follower, sufficient retractile power is exerted by the coiled spring to draw said follower and the rounded wooden rod forward in trough L. The barrels I, for convenience, are hung in brackets attached to the lower part of B.

/Vhen working the machine at a high rate of speed, it becomes necessary to provide adevice for gaging the length of the pieces cut off, so there shall be no perceptible variation. It has been customary in similar machines to IOO IIO.

arrange a plate against which the wooden rod having secured to their outer ends gears RR',

which engage each other. These gears R engage and are actuated by a rock-gear, S, whose pivotal point is midway between the two systems of gears and gage-screws.

Extending downward and forming a rigid part of S is an arm, w, having pivoted near its free end a friction-pulley, T, (see Figs. l,

9, and 14,) so located that it engages an in I' ternal cam, U, on shaft F. As the cam U rotates, the arm w is carried back and forth, giv-7 ing the rock-gearS a walking-beam movement. rIhis partially rotates gage-screws r r, which, owing to their having right and left hand threads, advance or recede together.

The general operation of our machine is as follows: rlhe rounded wooden rods are laidin troughs L L', with the followers O behind them, as in Fig. li, and are forced by said follower through the funnel K and against plate V. The holders h h now advance, and, bearing against the wooden rod, hold it firmly against K. The gage-screws i' are now advanced by the movement of rock-gear S and gears R It', forcing before them the wooden rod until the proper point is reached, when the saw, moving steadily forward, completes a cut and retires. lIhe holders 7L h are then released, the gage-screws retire, and the sawedolf pieces drop. If by chance the pieces cut off' adhere to the end of the gagescrews, the plate V picks them off as said screws recede. Said plate V also prevents the sawed-off pieces from falling on the project-ing ends of the gage-screws and clogging the machine. Shaft F carries on its outer end a gear, W, engaging gear Y on the saine shaft with driving-pulley Z.

IVe claim as new and wish to secure by Letters Iatent-- i l. In asawing-machine suithbly supported, the shaft a, to which is loosely secured the vibrating arm C, carrying on its free end a circular-saw arbor and saw, in combination with the pivotcd safety-lever arm d, said lever-arm being held in engagement with the cam b, sc- ,cured to the shaft F by a spiral spring, c, substantially as shown, and for the purposes described.

2. The troughs L, ways u, traveler O, operated by means of a spring and cord, in combination with the funnel-shaped piece K, the block G, and holders 7L L, being forced forward by means of spring f, and operated by means ofthe lever I, jointed to a connecting-rod, J, which in turn is operated by a cam, m, on the shaft F, whereby, while the rolls are being sawed, they will be held in a rigid position, all substantially as shown and described.

3. In a sawing-machine, the funnel-shaped piece K, the blocks G G, having holds adapted to receive the holders h h', screw-threaded at their ends, the springs f f, in combination with the piece II, regulated by means of nuts i z', the said holders being forced outward by means of the lever-arm I, connected tothe rod J and operated by the cam m, secured to the shaft F, substantially as shown and described.

et. In combination with a sawing-machine, the troughs L L, ways u, followers O, operated by a spring-tension device, the funnel-shaped piece K, block G, and spring-pressed holders h 7i', located one on each side of the line of the saw, the pivoted vibrating arbor C, carrying a circular saw, adapted to advance and recede by means of the cam Z, and spring c, attached to the lever d, pivotally secured to the arbor C, substantially as sh own and described.

5. In a sawing-machine, the vibrating arbor-frame C, carrying the saw D, the trough L, ways u, and follower 0, operated lbya suitable tension device, in combination with the block G, springpresscd holders h 7L', the plate II, and adjusting-nuts fi, the funnel-piece K, and plate V, having a longitudinal play, and against which the rounded rods abut as they are fed forward, and the gage-screw o, arranged to advance and adjust the rod to proper length, substantially as described and set forth.

6. In a sawing-machine suitably supported, the shaft c, to which is pivoted a vibrating arbor-frame, C, carrying a circular saw, and operated by a cam, I), secured to the shaft F, the pivoted piece d, having a spring, c, attached to its free en d, and provided with an adjusting-screw, the blocks G, secured on either side of the machine and adapted te receive the threaded rods having stop-pins, the holders 7L h', having aspiral spring wound around them, thereby forcing the rod toward the saw, the nut-s fi, engaging with the plate H, having a lever, I, connected to a'rod, J, and operated by the cam m on the shaft F, the troughs L L', having guides u, adapted toreceive a follower, O, which bears against the rods, and is operated by suitable spring mechanism, the screws r, secured to engaging-gears It It, actuated by the rock-gear S, having an arm, fw, pivotcd to a friction-pulley, T, engaging with a caln, U, on the shaft F, the whole being operated by suitable mechanism, all substantially as shown, and for the purposes described.

7. In a machine for cutting spool-blanks, the troughs L, followers in combination with the funnel-shaped piece K, the block G, and holders 71J h', located one upon each side of the line of the saw, thereby holding independently of each other the sawed-off pieces, said holders being forced forward by springs f, and having means of adjustment independent of each other, substantially as shown and described.

8. In combination with a sawing-machine, the blocks G, plate c, the right and left hand gage-screws r r, arranged to advance and adjust the rounded rod to proper length before being sawed off, and having secured. to their ends the gears It It', actuated by means of a rock-gear, S, having depending arm w, the pivoted friction-pulley T, whereby it engages with the cani U upon the shaft F, substantially as shown, and for the purposes s pecified.

EDIVIN ALLEN.' J. HENRY MORRISON.

VVitnesses:

FRANK H. ALLEN, Aires C. CUTLER.

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